this OEM-spec hardware ensures a flush

For any technician dealing with high-efficiency boiler installs or retrofitting older tanks

The Resideo R8222B1067 Relay is a heavy-duty SPDT general purpose switching relay designed for reliable control in HVACR and industrial applications

ensuring the static pressure is correctly maintained for the pressure switch to close during the pre-purge cycle

For unconditioned or outdoor environments

Johnson Controls A-4000-144 Relief Valve Els PW 17895 this OEM-spec hardware ensures aThe Johnson Controls A 4000 144 is a professional grade safety relief valve designed specifically for pneumatic control systems and air compressor accessories. Featuring a 1 4" NPT male connection, this pop type valve is factory set to activate at 25 PSIG, providing a critical mechanical failsafe against overpressurization in the supply line. The robust brass body construction ensures durability and corrosion resistance, essential for maintaining the