Description

Rheem SW-HB1 SW-HB1 – Hot Block Heat Absorption Putty replaces .Blocks direct and conductive heat on all surfaces and metals, including joints, valves, fittings, composite panels, rubber, and plastics. Can hold, align, and jig parts for brazing, soldering, or welding. Hot Block is 100% reusable; add water if it dries up to recharge. Effective with oxy-acetylene, natural gas, MAPP gas, and induction. Protects heat-sensitive parts, preventing discoloration, warping, and distortion. Ideal for protecting reversing valves, ball valves, and TXVs.