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If you're trying to figure out how to diagnose a bad furnace gas valve, this is a video that explains what the gas valve does, why it's important, how to fig...
Mobile Home Furnace Blower Will Not Come On. If your blower does not turn on, first look through the viewing hole above the gas valve and see if the burners have lit. If you don’t see them burning, then jump to the burner won’t light section.
From the gas valve and burner assembly to the blower motor and limit switch, understanding the different parts of your Miller mobile home furnace can help you diagnose and address issues more effectively.
If that’s not possible, then this cheat sheet may help you determine which parts you need for many common Coleman gas furnaces. To use this cheat sheet, first locate the model number of your furnace by looking at the data plate on the front of your furnace.
You can try whacking/tapping the side of the control valve with a screwdriver handle after about 12-15 seconds of the furnace burner going to see if the valve will open completely. Sounds like it's not staging up to full burn.
For Coleman model 7900, 7600, 7663, 7670B, DLRE, DGRM, DGRT, DGPA, DGPH and DGPT gas furnace. | (361200)
For Miller and Intertherm MGH & MGHA Series Gas Furnaces. Nordyne part #624583. Our Goal is to deliver your purchase in the quickest and most economical way possible. Shipping service and costs are determined by product, weight, package size and ship to destination.