ATWOOD 79 SERIES SERVICE MANUAL Pdf Download. Atwood mobile products furnace user manual (7 pages) Furnace Atwood AFMD16 Technical Installation Manual. Dometic™ (Hydroflame) 8535. This can be caused if the furnace vents are blocked. The 8525-II is a forced-air furnace that uses a heat exchanger to force the heater air into your living quarters, similar to a household furnace. 3:43 RV How To - Troubleshooting the RV furnace Stew Oleson 5. I have a Hydroflame 8535-11 furnace that does not light. • DO NOT block furnace outlet registers or return air grills. Turns on OK, fan starts, gas ignition occurs. down the gas (propane) and the blower continues to run (until we freeze to death, turn it off, or the battery runs down). Hydro Flame Furnace Everest Star 79 Series Owners manual (22 pages) 2: Hydro Flame Everest Star 80 Series Manuals: Hydro Flame Furnace Everest Star 80 Series Owners manual (22 pages) 3: Hydro Flame FA-7912F D Manuals: Hydro Flame Furnace FA-7912F D Maintenance & service manual (7 pages) 4. A lot of times, rusty debris causes a furnace not to light. PDF MPD 33179 hydro flame TM. It is an Atwood hydro flame 8500-IV. The motor replacement itself is not terribly difficult, and assuming you have a common 8500 or 8900 series furnace, the instructions given in the manual linked below are pretty good. 86/ea Quantity: 5 available Price: US $10. We just purchased a used trailer, it has a Hydro Flame heater, 82 series. Troubleshooting An Atwood RV Furnace Circuit Board. TO THE INSTALLER: THESE INSTRUCTIONS MUST BE SUPPLIED WITH THE FUR-NACE TO THE CONSUMER. Atwood Hydro Flame 7916 II (electronic ignition, propane/12volt) mobile heater bench test. Troubleshooting An Atwood RV Furnace Circuit Board - YouTube 0:00 6:17 Troubleshooting An Atwood RV Furnace Circuit Board My RV Works, Inc. 16K subscribers 145K views 6 years ago Had to fix the furnace mud daubers got up into the exhaust port and made a few nest in return. I started the furnace the first time since I bought the 2008 Monaco La Lapama this summer. 2 Hydro Flame Furnace Manuals and User Guides (16 Models) were found in All-Guides Database. There is no longer a remote relay. After you are certain that the battery is not at fault, the. Call a qualified Service Technician. What causes Atwood furnace Ignition Lockout Fault? 2. Troubleshooting the RV Furnace. Atwood / Hyroflame Furnace. The Drip Cap Some common reasons why the Hydro Flame furnace in your RV isnt working include improper voltage levels, dirt inside Debris stuck in blower wheels will cause it to run loudly. Atwood 8531 Furnace Troubleshooting (Sail Switch Location). Member. Here it is, close-up, & turned so that anyone can read it. My hydro flame furnace 7916-ii not wanting to ignite, it has My hydro flame furnace 7916-ii not wanting to ignite, it has slowly been taking longer to light. First, the fan relay coil should energize between 15 and. Hydro Flame HF. Thoroughly check the electrode and burner air adjustments. • Immediately shut furnace down and call a service agency if furnace cycles erratically or delays on ignition. It hasnt been used for a year, but the owner told us to turn up the thermostat and it would. Hydro Flame Furnace Motor, Hydro Flame 32330. See the Furnace Troubleshooting Guide in the Forum Library. I guess they figured the kids would need the heat, and the parents could keep each other warm. Furnace Might Be Dirty If you are someone who enjoys going out on trips during winter. Troubleshooting Atwood furnace part 1 The Canadian RV Repair Guy 1. Then it can be essential that you have a furnace in your vehicle. Go back and light the stove, this may take a bit of time to bleed any air from the lines. Single Sense Electrode 37517 (One Wire Goes To Electrode) Single Sense Electrode Gasket 37100. Troubleshooting Furnace Noises: 4 Common Causes & Fixes. Lockout can occur if the gas pressure fluctuates. • New boards have a diagnostic ability with 4 fault codes. This instruction manual is for use by an authorized service technician to install an Atwood – hydro flame ™ furnace. Description. Exterior Repair. • Always install furnace through an exterior wall. com: Hydro Flame Furnace Parts. Hydro Flame Furnace Motor, Hydro Flame 32330. Changes to the Hydro Flame furnaces include: • Ignition boards in the 79, 85 and 89 series furnaces now have the blower relay incorporated into the PC board. #1 gently tap the side of the gas valve while moving the temperature dial forth and back, after having stuck a nozzle from the aircompresser in through the pilot lighting hole and blowing things out as good as you can. This is a parts breakdown for the Dometic™ (Hydroflame) 8525-II RV Propane Heater / Furnace. Hydro Flame Furnace TroubleshootingI have a Atwood Hydro Flame 8531-IV-DLCP 24000 Btu Furnace in my Sunnybrook 5th wheel. Reconnect that solenoid and repeat the process on the other one. Usually, the steps mentioned above are enough to fix the problem you are getting. Do not use the appliance if any part has been under water,. Close furnace exterior door. Atwood hydro flame 8500-IV series Information Manual (16 pages) Brand: Atwood / Category: Furnace / Size: 0. First, the fan relay coil should energize between 15 and 20 seconds after the contacts on the thermostat. 8012 F: Hydro Flame Furnace HF. Atwood HydroFlame 8525-II Service Manual 2004. Information Manual • Service Manual. The valve might be bad or the orifice needs cleaning. It sounds like the sail switch may not be functioning due to lack of air flow. It is supposedly quite the heater, but its a radiant heat, so its not blowing the heat anywhere, its just sort of warm over by the door & dining area. Hydro Flame Heater Motor Bracket, Hydro Flame 37360. Atwood Hydro Flame Furnace Wont Light: Causes And Solutions. Atwood Hydro Flame 7916 II (electronic ignition, propane/12volt) mobile heater bench test. HydroFlame Furnace Exploded Views And Parts List Tune-Up Kit #1 Obsolete / No Longer Available: Burner Assembly 30268 Single Sense Electrode 37517 (One Wire Goes To Electrode) Single Sense Electrode Gasket 37100 Limit Switch, 170°, 37021 Sail Switch 36680 Orifice 31083 Tune-Up Kit #2 Includes: Burner Assembly 30268. … read more Robert RV Tech Support Vocational, Technical or Tra 23,600 satisfied customers The diagnostic on our Atwood RV furnace says “airflow limit. (Not sure of pressure but the burners on stove still work as they always have) 2)Turning thermostat to on position for heater yields a click at top by a/c unit and below on the furnace DSI circuit board. Atwood / Hyroflame Furnace – PDX RV. We just purchased a used trailer, it has a Hydro Flame heater, 82 series. The following descriptions are based on the Hydro Flame 8500 series furnaces, but the operating principles are similar for other manufacturers. Tune-Up Kit Includes: Sail Switch 36680 Additional Atwood Furnace 8525-II Available Parts Links. Atwood Hydro Flame Furnace Won’t Light: Causes And Solutions. Hydro Flame Atwood Furnace Repair 8531-II J&Bs Homestead 2. Each of the manuals within this series offers a general overview of the product as well as more specific. Hydro Flame Atwood Furnace Repair 8531-II J&Bs Homestead 2. This furnace design has been certified for installation in recre-ation vehicles as a MSP Category III furnace. To verify the setting of your furnace, open furnace door and check the model number on the label, (see table below). The 8535-IV is a forced-air furnace that uses a heat exchanger to force the heater air into your living quarters, similar to a household furnace. Do not use metal to clean the orifice. Connect a ground wire to one of the terminals (doesnt matter which one) and with another wire connected to 12 volts thru a 5 or 10 amp fuse, briefly touch it to the other terminal several times. Follow this instruction to insure safe operation of the furnace. a loud squealing noise coming from my Hydro >How do I fix a loud squealing noise coming from my Hydro. Furnace: Hydro Flame ARC. Troubleshooting Furnace Noises: 4 Common Causes & Fixes>Troubleshooting Furnace Noises: 4 Common Causes & Fixes. Be really careful trying to pry on the tank-if it gets tweaked too much, it might not fit back together. According to Atwoods web site there are many things that can cause this problem including low gas pressure, bad circuit board, bad flame sensor, too much static pressure, not enough static pressure, bad wires, loose blower. 3K views 3 years ago From NH Craigslist ad: Bench. Take a fresh piece of wire which is similar to or perhaps thicker gauge and then strip the protective layer at. Hydro Flame Furnace Manuals and User Guides PDF Preview and Download. I removed… read more Randall RVIA Certification Vocational, Technical or Trade Scho 29,324 satisfied customers. I have a Atwood Hydro Flame 8531-IV-DLCP 24000 Btu Furnace in my Sunnybrook 5th wheel. I am having problems with the furnace in my 2003 Terry Dakota. View and Download Atwood Hydro flame 8900-III series information manual online. Atwood Hydro Flame 8940 in a fifth wheel. Sail Switch Furnace Low Air Flow Hydro Flame For Atwood 36680, 36133, 31377 Condition: New Bulk savings: Buy 1 $10. Should you require further information, contact your dealer or nearest Atwood Mobile Products LLC Service Center. Atwood Hydroflame RV Furnace Repair and Basic Operations AZ Expert 60K subscribers 642 53K views 3 years ago I had an owner of a Terry contact me about a furnace that sounded awful when. hydro flame 8500-IV series. 49/ea Buy It Now Add to cart Best Offer: Make offer Add to Watchlist Fast and reliable. IV RV Propane Heater / Furnace >Dometic™ (Hydroflame) 8120. Forcing or attempting to repair may result in a. Well-known member Joined Oct 4, 2007 Posts 6,678 Start by checking the exhaust output and the fresh air input and plenums for blockage by mud wasp etc nests. Hydro Flame Manuals and User Guides All-Guides Database contains 3 Hydro Flame Manuals (20 Devices) for Free Downloading (PDF). hydro flame 8900-III series furnace pdf manual download. hydro flame™ Furnace Models SERIES 7900-II, 8012-II, SERIES 8500-IV Series Users Information Manual English, Français (ET Canada) Should you require further information, contact your dealer or nearest Atwood Mobile Products Service Center. Set the thermostat at the lowest setting. Atwood Furnace Troubleshooting Guide Atwood Hydro-Flame Furnace Universal DC Ignition Control Kit Instructions Atwood Mobile Service Training Manual 2015 Atwood Model 1522-LD Two Stage Atwood MPD. If you have also checked this then your device might be faulty. This will lead the temperature limiting switch to turn off the furnace. Atwood/Hydroflame Furnaces & Heaters Price Manufacturer BTU Size Power Source Voltage Discharge Sort by Showing 1 - 24 of 49 Dometic Mojave Medium Doored Furnace 35,000 BTU Dometic Mojave Medium. Atwood 9525-LD Furnace Troubleshooting 1. Disconnect the furnace from its power source, wait until the blower stops and. Cautiously strip one inch of protective layer back on the two exposed wire sections. Check for the furnace box, see if there is anything that is blocking the furnace vents. I have a 1988 Corsair class C motorhome on a G30 Chev chassis. Hydro Flame Manuals and User Guides All-Guides Database contains 3 Hydro Flame Manuals (20 Devices) for Free Downloading (PDF). Older Hydro Flame furnace problem. The 2015 edition of the Atwood Furnace Service Manual is a resource created to help service technicians identify Atwood product by serial number, diagnose service problems and efficiently and effectively process warranty claims. This was successful as the squealing has stopped during fan operation. Web atwood rv furnace wiring diagram. Use the Library Search function to locate it. Atwood 8525-II Mobile Service Training Manual 2007. item 3 Atwood Hydro Flame 36043 RV Heater Furnace Burner 30268 Atwood Hydro Flame 36043 RV Heater Furnace Burner 30268. Ive an Atwood furnace that codes 3 red flashes for Ignition…. Some common reasons why the Hydro Flame furnace in your RV isnt working include improper voltage levels, dirt inside the blower wheels, and malfunctions involving individual moving parts. Check the fuse and replace it if necessary. Troubleshoot Atwood Hydro flame furnace. DOMETIC Hydro Flame Corp 32715 Furnace Small 12, 000 Btu 12V 5 $1,03294 FREE delivery Thu, Apr 27 Only 3 left in stock - order soon. Base on the furnace working principle, there are some places you have to check while tackling the Atwood hydro flame furnace wont light issue. The furnace is designed to operate at voltages between 10. The fan comes on and then the furnace kicks in but only runs for about 5 or 6 seconds and clicks off and then lat read more. TECHNICIAN TO INSTALL AN ATWOOD - hydro flameTM FURNACE. Jan 18, 2011 #3 T TerryT Member. Atwood Hydroflame RV Furnace Repair and Basic Operations AZ Expert 60K subscribers 642 53K views 3 years ago I had an owner of a Terry contact me about a furnace that sounded awful when. Hydro Flame RV Heater Parts>Hydro Flame RV Heater Parts. 16K subscribers 145K views 6 years ago Had to fix the furnace mud daubers got up into the. • DO NOT install furnace near tilt-out rooms, slide-outs, doors or other projection that could obstruct furnace exhaust. Atwood Furnace Series 8525-II Users Manual. Hydro flame furnace not lighting. Atwood Hydroflame RV Furnace Repair and Basic Operations AZ Expert 60K subscribers 642 53K views 3 years ago I had an owner of a Terry contact me about a. Troubleshooting An Atwood RV Furnace Circuit Board - YouTube 0:00 6:17 Troubleshooting An Atwood RV Furnace Circuit Board My RV Works, Inc. Jan 18, 2011 #3 T TerryT Member Joined. The 8525-II is a forced-air furnace that uses a heat exchanger to force the heater air into your living quarters, similar to a household furnace. Check the wires for shorts, loose connections or cuts, etc. Find helpful customer reviews and review ratings for 31501 Circuit Board Compatible with Atwood,31501 RV Ignition Control Board kit Replace for dometic Hydro Flame Corp,Fit for rv furnace parts 33488,33727,85-IV 16, 85-IV 25,85-IV 20, 85-IV 31, 85-IV 35 at Amazon. • Keep all insulating material away from furnaces. problems and efficiently and effectively process warranty claims. ca:Customer reviews: 31501 Circuit Board Compatible …. 8012 F Maintenance & service manual (7 pages) 15: Hydro Flame Everest Star 79 Series: Hydro Flame Furnace Everest Star. The breakdown includes the blower wheel, sail switch, control board, circuit. • Always install furnace through an exterior wall. This would prevent the gas valve from operating. Atwood Furnace Wiring Diagram 1522. Hydro Flame Furnace Everest Star 79 Series Owners manual (22 pages) 2: Hydro Flame Everest Star 80 Series Manuals: Hydro Flame Furnace Everest Star 80 Series Owners manual (22 pages) 3: Hydro Flame FA-7912F D Manuals: Hydro Flame Furnace FA-7912F D Maintenance & service manual (7 pages) 4. 3K views 3 years ago This video shows a quick fix for a camper/RV furnace blower motor. Atwood 8525-II Time Delay, Sail Switch, And Limit Switch Important Info. problems and efficiently and effectively process warranty claims. User Manual. Changes to the Hydro Flame furnaces include: • Ignition boards in the 79, 85 and 89 series furnaces now have the blower relay incorporated into the PC board. Troubleshoot Atwood Hydro flame furnace. The 8535-IV is a forced-air furnace that uses a heat exchanger to force the heater air into your living quarters, similar to a household furnace. Hydro Flame Atwood Furnace Repair 8531. It could be the battery, the generator or it could be the wiring. What are the symptoms of Atwood furnace Ignition Lockout Fault? 4. HYDRO flame propane heater. 1 Specifications 2 Clearance to Combustibles 2 Installation and Safety Codes 2 General Furnace Location 2 Carbon Monoxide Poisoning 2 Door Sidewall Cutout 3 Door Installation 3 Right Side 3 Left Side 3 LD Vent Side Wall Cutout 4 LD Vent Installation 4 Vertical Installation Caulking Areas 4 Ducting Options 4 Flexible Ducting Systems 5. Stays lite for about 5 seconds and then goes out, lites again in about 10 seconds. Hooksett-Mike 12 subscribers 9 5. Troubleshooting Atwood furnace part 1 The Canadian RV Repair Guy 1. Web hydro flame 1h2c hflamefurn04 effective 1 15 part number 30620 atwood service department introduction pdf free us10142854b2 apparatuethods for dynamic. Although, If the furnace is still not igniting then there is a chance that you might be out of propane gas. The 2015 edition of the Atwood Furnace Service Manual is a resource created to help service technicians identify Atwood product by serial number, diagnose service problems and efficiently and effectively process warranty claims. Stage 1 Find a power supply and connect the Atwood furnace to it if you notice any malfunction. Tune-Up Kit #1 Obsolete / No Longer Available: Burner Assembly 30268. See the Furnace Troubleshooting Guide in the Forum Library. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Hydro Flame Atwood Furnace Repair 8531-II J&Bs Homestead 2. How to fix Atwood furnace Ignition Lockout Fault? 3. Before furnace is put into operation,. Before furnace is put into operation, there are certain steps that must be followed to insure proper operation, efficiency, long life and safety. Atwood Hydroflame RV Furnace Repair and Basic …. It could be the battery, the generator or it could be the wiring. hydro flameTM 8500-IV Series Furnace MODELS 8516, 8520, 8525, 8531, 8535 Technical Installation Manual 9 WARNING FIRE OR EXPLOSION • If the information in this. Malfunction/Defective Control Circuit Board. The fan comes on and then the furnace kicks in but only runs for about 5 or 6 seconds and clicks off and then lat … read more. Hydro Flame Furnaces are precision built. All Exterior Repair; Aluminum Framing; Fasteners;. Hydroflame FA-7916. Step 2 Check for dirt in the blower wheel. GAS CONVERSION. Effective 1/15 Part Number 30620. 1)Loosening the inlet LP gas nut to heater, I have LP gas escaping quickly so i know there is propane to heater. The furnace started and heated well just getting lightbluish exhaust. Information Manual • Technical Installation Manual. After 3 attempts the unit shuts down, showing an ignition lockout fault. The Drip Cap Some common reasons why the Hydro Flame furnace in your RV isnt working include improper voltage levels, dirt inside Debris stuck in blower wheels will cause it to run loudly. Net Open Roads Forum: Atwood RV Furnace will not start. Continues this cycle until turn the stat down. Hydro Flame Atwood Furnace Repair 8531-II J&Bs Homestead 2. Any ideas on what the problem may be? Thanks Dave Alie&Jims Carrilite. Hydro Flame Furnace: List of Devices # Model Type of Document; 1: Hydro Flame FA-7920S D: Hydro Flame Furnace FA-7920S D Maintenance & service manual (7 pages) 2: Hydro Flame FA-7912F D:. 36K subscribers 59K views 4 years ago #suburban #fifthwheel #furnace This is part 1 in a sears of videos for the. If not, close the propane valve, remove the hose. When I turn the furnace on the fan starts but I never hear the “click” of the gas solenoids opening. I have determined that the sail and limit switch are working. Web hydro flame™ afm series furnaces models afmd16, afmd20, afmd25 afmd30, afmd35 technical installation manual english, français (et canada) this instruction. Web ¥ normally, the thermostat contacts are closed if the blower is running. Atwood Hydroflame RV Furnace Repair and Basic Operations AZ Expert 60K subscribers 642 53K views 3 years ago I had an owner of a Terry contact me about a furnace that sounded awful when. hydro flame 7900-II series. Dometic™ (Hydroflame) 8516-IV RV Propane Heater / Furnace - 16K Parts Breakdown. Next you should monitor the power to the gas valve to see if the circuit board is sending power to it, and if not, there is a good chance that you have a bad board. 1994 Hydro-flame (Atwood?) model 8531-III furnace: removed furnace to lubricate squealing motor bearings. Opening up the furnace is the first step. Item# 6 Burner Assembly 33842 (OBSOLETE / NLA) Item# 8 Circuit Breaker 33780. Atwood Hydroflame RV Furnace Repair and Basic Operations. This instruction manual is for use by an authorized service technician to install an Atwood – hydro flame ™ furnace. Burner keeps turning off- This happens when you are low on propane or your sensors are dirty. Hydro Flame Atwood Furnace Repair 8531-II J&Bs Homestead 2. 100K subscribers 189K views 4 years ago RV. Atwood hydro flame issues. How to Troubleshoot a Hydro Flame Refer to your owner’s manual for specific model limits prior to changing power sources. Use only the type of gas your furnace has been set for. hydro flameTM 8500-IV Series Furnace MODELS 8516, 8520, 8525, 8531, 8535 Technical Installation Manual 9 WARNING FIRE OR EXPLOSION • If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Atwood 32811 Furnace Burner for sale online. Web afs series furnace pdf manual download. Checking/cleaning that would be my first step. Check the furnace return air and warm air discharge to be certain sufficient airflow. Damaged section of the cable Snip out the section which has been damaged by making use of a wire cutter. com%2fatwood-hydro-flame-furnace-wont-light-causes-and-solutions%2f/RK=2/RS=teYWs4IPE3mkGHVkGnkgCKV23CY- referrerpolicy=origin target=_blank>See full list on outdoorfact. com>Hydro Flame Manuals and User Guides. Atwood Hydro Flame 8525-ii Technical Installation Manual MPD 32072. Does not provide enough heat to maintain temp. Opening up the furnace is the first step. hydro flameTM 8500-IV Series Furnace MODELS 8516, 8520, 8525, 8531, 8535 Technical Installation Manual 9 WARNING FIRE OR EXPLOSION • If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Dometic™ (Hydroflame) 8516-IV RV Propane Heater / Furnace - 16K Parts Breakdown. 1 Specifications 2 Clearance to Combustibles 2 Installation and Safety Codes 2 General Furnace Location 2 Carbon Monoxide Poisoning 2 Door Sidewall Cutout 3 Door Installation 3 Right Side 3 Left Side 3 LD Vent Side Wall Cutout 4 LD Vent Installation 4 Vertical Installation Caulking Areas 4 Ducting Options 4 Flexible Ducting Systems 5. My hydro flame furnace 7916-ii not wanting to ignite, it has My hydro flame furnace 7916-ii not wanting to ignite, it has slowly been taking longer to light. Turn Off Switch (Circuit Breaker Or Manual Switch) To The Off Position. Web hydro flame ™ af series furnaces models afsad1211 1, afsad12121 afsd12111, afsd12121 afsd16111, afsd16121 afsd20111, afsd20121. My 8500series furnace is blowing a bluish smoke out of exhaust. Forcing or attempting to repair may result in a fire or explosion. hydro flame™ Furnace Models SERIES 7900-II, 8012-II, SERIES 8500-IV Series User’s Information Manual valve will not turn by hand, don’t try to repair it. Hydro Flame 7916 II (electronic ignition, propane >Atwood Hydro Flame 7916 II (electronic ignition, propane. The vehicle battery The control circuit board The propane gas valve The igniter The connections Troubleshooting Atwood Hydro Flame Furnace: A Guide For Novice RVers Tools And Gears You Need To Have. The motor replacement itself is not terribly difficult, and assuming you have a common 8500 or 8900 series furnace, the instructions given in the manual linked below are pretty good. Atwood Furnace Series 8525-II Users Manual. Start date sep 19, 2015; Web 19 results for atwood hydro flame thermostat results. com/_ylt=AwrFGWaXXVVkRa8UxVJXNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1683344920/RO=10/RU=https%3a%2f%2foutdoorfact. Atwood 8525-II Tune-Up Kit. If voltage levels at the furnace are too low, the blower will not have enough power to run and produce heat; if too high, the circuit breaker may trip. HydroFlame Furnace Exploded Views And Parts List. Atwood/Hydroflame Furnaces & Heaters. Opening the valve to quickly can trip the OPD, ( Overflow Protection Device ) causing no flow of gas. The furnace is a Hydro flame FA. 36K subscribers 59K views 4 years ago #suburban #fifthwheel #furnace This is part 1 in a sears of videos. We offer a collection of OEM and Aftermarket Atwood, Duo-Therm, Hydro-Flame Propane Heater Parts for your Everest Star or Excalibur Furnace. The Drip Cap Some common reasons why the Hydro Flame furnace in your RV isnt working include improper voltage levels, dirt inside Debris stuck in blower wheels will cause it to run loudly. Locate the blower and carefully inspect every part that connects. Here it is, close-up, & turned so that anyone can read it. All air passages are fixed and cannot be adjusted. If the battery is depleted, the control circuit board would not be able to transmit orders to the. The breakdown includes the blower wheel, sail switch, control board, circuit breaker, gas valve, electrode, burner head, motor, combustion wheel and limit switch. hydro flame 8900-III series. I started the furnace the first time since I bought. Stage 2 If the power supply works fine and the furnace produces no heat, you need set a higher temperature than your current one and set the switch to On or Auto marks to make it work. Available Parts 1 33126 Blower Wheel 2. Dometic™ (Hydroflame) 8120. Atwood Hydro Flame 7916 II (electronic ignition, propane/12volt) mobile heater bench test. The instructions are written for a motor upgrade though, so ignore the wiring changes and use the mechanical descriptions as a guide. Available Parts 1 33126 Blower Wheel 2 31377 Sail Switch (Replaces 36680 & 37716) 3 31501 Control Board (Replaces 38676) 4 33780 Circuit Breaker (Replaces 33751) 5. You have the right idea on cleaning it.