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Atwood Furnaces

Sequence of operation for MOST furnaces.
 
This is generic and applies to most DSI model furnaces.
Your model MAY vary.  Warning:  We recommend that only qualified technicians work on furnaces.
 Do It Yourself at your own risk.
 You are responsible for all safety precautions and leak checking.
Before attempting to trouble shoot your furnace be sure you understand the sequence of operation

•Thermostat calls for heat.
•Thermostat relay or time delay relay is energized and allows power to the blower.
•Blower motor runs up to speed.
•Sail switch closes at 75% of rated blower speed.
•Power goes through the limit switch to the ignition control board.
•The control board begins trial for ignition, opening gas valve and initiating ignition spark.
•Burner ignites.
•Thermostat reaches setting and opens.
•Burner shuts down.
•Fan runs briefly to cool furnace.
Displaying products 1 - 4 of 4 results
Atwood 8500 Series Furnace Parts
Our Price: Call for Pricing
Atwood 8500 Series Furnace Parts
8500 series furnaces and furnace parts
Atwood 8900 Series Furnace Parts
Our Price: Call for Pricing
Atwood 8900 Series Furnace Parts
8900 Series Atwood Furnaces exploded view. requires correct furnace model to find correct part from picture.
Furnace Gas Valve For Atwood LP Furnaces 12 Volt DC
Our Price: $50.72
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Furnace Gas Valve For Atwood LP Furnaces 12 Volt DC
31098 Atwood LP Gas Valve for Atwood and Dometic Atwood Furnaces
Old style analog stat for Atwood.  Pre Dometic
Thermostat, Analog Furnace, Atwood (Hydro Flame) - 38453
Our Price: $27.52
Thermostat, Analog Furnace, Atwood (Hydro Flame) - 38453
12v Analog thermostat for Atwood Furnaces.
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