Ran it off a small 12v battery with my solar setup and it pushed water through the floor loop without any airlock issues. The low voltage draw is a big plus for off-grid heating, and it's been quiet enough to forget it's running.
George★★★★★
The 12-volt solar compatibility is exactly what I needed for my off-grid floor heating setup, and it moves water quietly enough that I forget it’s running. I’ve had it cycling daily for two weeks now with no hiccups, and the DC design makes it feel safer and simpler than dealing with AC wiring.
John★★★★★
This pump pushes the water through my radiant floor loops without a hiccup, and the low 12-V draw means it runs straight off my solar panel setup. Hooked it up in about twenty minutes with the included fittings, and it’s been silent even at full flow.