Fail-Safe Logic: Mechanical spring return ensures the unit reaches its safety position during power interruptions

the Raypak 007146F CPW PC Board is the direct OEM replacement for Central Point Wiring systems in Raypak boilers and high-output water heaters

it utilizes a top-guided stem and non-sticking disc-to-seat arrangement to ensure reliable opening and reseating under demanding thermal conditions

handling liquid line capacities up to 13

the unit supports both AC and DC power sources and features a NEMA 4X rated enclosure to protect internal components from harsh outdoor elements

Loren Cook 778531 Belt Tensioner 321894-706 Fail-Safe Logic: Mechanical spring returnThe Loren Cook 778531 Belt Tensioner is a critical OEM replacement part engineered to maintain precise drive belt tension in commercial HVACR systems. Designed for heavy duty fan and blower assemblies, this automatic tensioner utilizes a internal spring mechanism to eliminate belt slippage and reduce vibration during startup and continuous operation. As a veteran grade HVAC drive component, it facilitates optimal power transmission between the motor