We had moved into a 40ft mobile home years ago, and have since built on an addition across the whole south side of the home. The west side is a wood-working shop which has been in use for several years with a conventional wood stove, in the middle is a future kitchen with greenhouse/living-space facing the sun, and the east side is a nearly completed root cellar we expect to add a bathroom over.
Our concept for heating this extra and quite large space is to install radiant heating underneath a brick floor in the kitchen, the most central space. A rocket mass heater would be the divider between kitchen and greenhouse. I'm certain this is doable, but have never heard of heating water in this fashion with a rocket mass heater. Does anyone have any experience with this?
What we assume to be necessary: old water heater tank w/ valve, copper tubing inside mass (not around the core itself), pex for floor system, and a pump capable of handling the heat and pressure. And of course everything that goes with a rocket heater, core, mass, piping and exhaust.
This pump seems to be heavy duty enough for the job, considering the applications they list.