providing the technical flexibility required for complex duct static pressure and fan proving applications

making it an essential replacement for ensuring correct airflow across the evaporator coil or heat exchanger

Smith 100109962 Blower Prover Switch is a critical safety component designed to verify adequate airflow within the combustion chamber before ignition occurs

It is a standard 1" bore ball bearing used across multiple generations of Trane-designed air handlers and packaged units

Key Benefits Ensures structural support for evaporator coils when inverted for downflow furnace or air handler applications

Armstrong Fluid Technology 182212-645 Pump 326058-755 providing the technical flexibility requiredThe Armstrong Fluid Technology 182212 645 is a high performance Cast Iron Circulator Pump designed for demanding hydronic heating and cooling systems. As the direct replacement for the legacy 180210 645, this Model E30. 2 pump features a robust 2 5HP, 120Vac single phase motor operating at 3350 RPM. This maintenance free circulator utilizes a permanently lubricated design and stainless steel shaft to ensure long term reliability in commercial or