I used a pressure cooker to boil hops recently when it was too cold in my garage (20 degrees) to get 11 gallons of wort to a boil. (This was soft of an emergency as I had already mashed and just couldn't get a boil.) I used the usual amount of hops and pressure cooked for about 35 minutes. I...
Yes, boiler is probably a more accurate term. The idea is to simply add a new zone that runs through a heat exchanging in the HLT. It's already circulating a lot of 180 degree water around the house.
Has anyone tried using a circuit on a forced hot water furnace as a heat source to a HTL? The idea is to add a new circuit to the furnace and run it through a heat exchanger in the HTL.
Pros: High capacity 180 degree water, efficient, responds to a thermostat or switch, off the shelf...