Tankless water heaters work great if and only IF the ground water temperature is a reasonable amount. THey only heat 2 GPM so much, and if you live where it is 45F groundwater, then the water has to come out at a trickle to come out hot! Well maybe 1 GPM. I guess the way around that is to fill the fresh water tank with warm water, then use that to go into the tankless heater.
"...,took a 20 minute shower, temp of water never changed..."
A 20 minute shower??
I never spend that long in a shower at home, much less in the RV!
What a waste, IMO, of both water and energy!
At 2 GPM that is 40 gallons of POTABLE water down the drain, basically for NOTHING!
I sure hope it didn't come out of the aquifer MY well is tapping!
CM1, USN (RET)
2002 Fleetwood Southwind 32V, Ford V10
Toad: 2006 Jeep Rubicon LJ
Other toad: '06 PT Cruiser, Kar Kaddy dolly
Toy: 1977 Dodge W100 CC SWB, 3/4 ton axles & springs
"When seconds count, help is only minutes away!"