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The ProTech 300 Boiler Water Treatment by Alternative Heating & Supplies Has been designed to be used in Manufacturers boiler treatment programs. These programs insist the wood boiler owners meet certain nitrite levels in order to comply with warranty requirements in regards to boiler corrosion protection.
With 180 degree water, the system will never freeze as long as the outdoor furnace is running and the pump is working. Even without wood, the furnace will absorb some heat from the indoor loop further preventing freezing. The outdoor furnace is highly insulated which minimizes heat loss, even in the coldest weather.
