RectorSeal┬« LLC, a manufacturer and distributor of quality HVAC/R and plumbing products, is now the exclusive U.S. and Canadian distributor of Hot Block┬«*, the reusable heat absorption putty for the HVAC/R, plumbing and welding markets. Hot Block the reusable heat absorption putty from RectorSeal. Hot Block is a pliable, formable putty-textured packing for protecting nearby HVAC/R and plumbing pipe, valves, components and surfaces from damaging heat conduction, transfer and sparks during jobsite brazing, soldering and… Read More