wj4play

holy cow - that's quite the miles he put on that. I love the little 3.6 in my little mini van.

Ah, my apologies I missed that. love the build

In regards to the scalding hot water, try using a mixer valve from the plumbing department similar to what they use in restroom faucets, it takes the hot line from the heat exchanger and a cold line from the pump outlet (cold) and you can adjust the outlet temp to the hose end. like this LINK