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Old 11-27-2009, 01:38 PM
Dave57210 Dave57210 is offline
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Floor heat

Just as a follow up - if you are using half inch PEX as the tubing for the in-floor heating, be advised that every hundred feet of tubing needs just under one gallon of fluid for filling. I just filled and pressure-tested mine. I have approx 2600 feet of tubing (2400 sq ft shop) and I used 24 gallons of 50/50 antifreeze/water mix to fill all the tubing. Pressure-tested to 125 psi, and its all good to go.
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