How Hydronic Radiant Floor Heating Works Family Handyman
sturti How Does a Hydronic System Work? Unlike forced-air heating, which works by blowing warm air through large ducts, a hydronic system uses a dedicated water heater or a boiler (or even your existing water heater) as a heat source. A circulating pump moves the hot water through the PEX tubing and back to the heater. Because there can be no joints in the PEX tubing in the floor, uncut lengths of tubing snake through the floor, starting and ending at a manifold....