Always check the inductive load requirements of your fan or motor against the nameplate data on the relay housing to ensure it can handle the startup inrush current

For technicians performing furnace repair or routine heating system maintenance

Proper installation requires careful alignment to maintain the correct spark gap

preventing combustion byproduct bypass and maintaining the integrity of the chimney-vented system

The Belimo WAF Valve Linkage is a professional-grade mechanical interface designed to bridge AF and NF series spring-return actuators with B2 and B3 Series characterized control valves

York S1-028-13379-000 Sheave Els PW 17895 Always check the inductive loadThe York S1 028 13379 000 is an OEM 1 groove fixed sheave engineered for precise power transmission in commercial and residential HVAC blower assemblies. This 1 inch bore sheave is designed to meet exact tolerances, ensuring minimal vibration and reduced shaft wear during high static operation. Built from durable cast iron or machined steel to prevent belt slippage, it is compatible with standard A section or 4L V belts commonly found in York,