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New Radiantec 4-loop Manifold (1/2" PEX). Never had fluid through it. Used in system to pressure check with air only during installation. Then subcontracted boiler install and contractor removed to use his own manifold. Regret not having him use this one which is much higher quality. :(...

Can't seem to find a discussion that covers my scenario, but if someone can point me to existing thread, I'll be happy to redirect. My 30x40x12 garage has heated floor, sheetrocked walls with R-21 (vapor barrier in). Ceiling is ribbed metal directly on attic trusses. My plan is to insulate...

Radiantec 4-Circuit Manifold Wall-Mount Style No fluids (only air) run through it All copper/brass. Very well constructed and includes schrader valvle for pressuring with guage. Designed to allow leak testing of tubing then simply cut off fill loop and plumb supply/return directly to the...