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This specific model is engineered for the 22-120 Pneumodulor socket
the Williams P142700 Pilot Gasket is engineered to maintain a hermetic seal at the pilot assembly interface
providing reliable protection against heat exchanger breaches or venting obstructions that cause flames to escape the combustion chamber
Universal Source1 Fitment: Designed as a direct drop-in for York
Schneider Electric (Barber Colman) 20-881 Wrench This specific model is engineeredThe Schneider Electric (Barber Colman) 20 881 Wrench is a specialized dual purpose tool engineered for precision field service on pneumatic control systems. Designed to replace the legacy N2 4 tool, this wrench features a 1 16" hex head and a 1 4" hex head, providing the exact dimensions required for pneumatic thermostat calibration and securing cover screws. This tool is essential for technicians managing Barber Colman 2000 series thermostats and