- Joined
- Oct 21, 2017
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- 3,314
Our 2018.5 Seneca came with a Truma water heater which I had upgraded to the comfort model and it has been great. They also have a Comfort Plus model that has an automatic circulation system to keep the water in the lines at 108 degrees but is only available as in OEM installation. Truma is very protective of their parts and will not sell this one part unless it’s needed to repair an existing unit and having the appropriate serial number but after years of trying to get my hands on the one single part needed to convert mine to a Comfort Plus, I was able to get a freeze damaged unit off Facebook Marketplace cheap. I had installed a manully triggered circulation system to save water so I just extended the return line back to the water heater compartment, installed the part in the Truma for the return line and I now have a true instant hot water heater with 108 degree water at every faucet when opened. There will be some increase in propane use but I timed it and the Truma fires for 2-3 seconds every 30 minutes to maintain the temperature so probably wont notice the difference. The Truma Comfort Plus is probably the ultimate RV water heater system IMO. Here are some pics, wasn’t a hard upgrade other than acquiring the single part. Green arrow pointing to the old Truma Comfort part and the Red arrow pointing to the new Truma Comfort Plus part which adds a connection for a return line for the recirculation pump.
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