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Duotherm RV Furnace Model 65925-023 Dick 9-18-02  
The heat exchanger for my furnace is rusted out, where could I find a replacment?
Re: Duotherm RV Furnace Model 65925-023 RV Wizard 9-18-02  
Contact Duotherm for part # and either shipping it to you or for a dealer in your area.
Re: Duotherm RV Furnace Model 65925-023 Joe 9-18-02  
It would be cheaper to replace the whole furnace. We buy ours from a supplier in Indiana that will sell to you directly. If you are interested, I'll give you their 800 number.
Re: Duotherm RV Jane Messenger 7-29-03  
I am looking for a dealer for Duotherm in Ontario. I live in Oakville,(between Toronto and Hamilton)I have a 15,000 Btu, heat pump on my RV and want to add a 13,500. Where can I purchase this unit in Ontario. I am dealer with many mfg's, and have been in business for 35 years. Thankyou Jane Messenger
Re: Duotherm RV Furnace Model 65925-023 mikey 9-19-02  
I would have to agree. If its rusted out, there could be other problems with the unit. A life, isnt worth a short cut, from an exploding furnace.
Re: Duotherm RV Furnace Model 65925-023 shawkins 9-22-02  
We need to replace our furnace please send me the 800# or email address or website
Re: Duotherm RV Furnace Model 65925-023 mikey 10-2-02  
Still needing a funace, email me at
Re: Duotherm RV Furnace Model 66000 weston mclachlan 2-25-06  
I am looking for a gas valve for a duo therm furnace. Gas fired fan type direct vent wall furnace.
Re: Duotherm RV Furnace Model 66000 mike 5-14-11  
Where can i find a piezolectric igniton system for this unit.
Re: Duotherm RV Furnace Model 66000 Rory 10-30-10  
Furnace pilot comes on and stays on strong, but the unit will not fire-up into heating mode. All looks well, what's wrong - some switch, or...???
Duotherm Camper Furnace Model 66117 Matt 9-15-15  
I just bought a 1989 Scamper truck camper with a Duotherm Model 66117 furnace.
I can't get the furnace to light.
The gas supply valve to the control valve is turned on. I turn up the thermostat (external) and the fan turns on, I can hear (and see through the viewport) the small sparks from the igniter for about five seconds, and I smell a little gas. But the furnace doesn't ignite. After 10 seconds or so delay, the igniter sparks again, I smell gas again, but it still doesn't ignite. After this (two ignition cycles) nothing else happens other than the fan just stays on. So it's getting propane, it's getting a spark, why isn't it igniting?
Also, to make sure there was fresh gas in the lines, I ran the stovetop for quite a while first.
Any suggestions?
Re: Duotherm RV Furnace Model 66000 Thomas 8-26-13  
The pilot light will light and stay lit. and when i turn the thermostat up the fan comes on but the burner does not light.
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