Running propane furnace using camper batterys
This is first time going camping in upper 20s. So I will be using furnace does furnace draw batterys down overnight? Not sure how much power gets used from a propane furnace . I have 2 group 27 agms,w...
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Geewizard wrote:
A related question: how do I modify my blower so it's slower? I could go a lot longer on battery if the furnace fan was turning slower, I think. I need an electronic circuit rather than some power-eating rheostat or resistor. Any ideas?
I certainly could build a circuit easily enough but there are probably plenty of cheap 12V PWM speed controller boards out there.
Ok, 20 seconds on ebay, $7 with free shipping (I don't know the quality of this unit though):
http://www.ebay.com/itm/12V-40V-Pulse-Width-Modulation-PWM-DC-10A-Motor-Speed-Control-Switch-13KHz-US-/111324607462?pt=LH_DefaultDomain_0&hash=item19eb76b3e6
