Technicians should look for visible leaks

Spence uses a color-coding system for their pilot springs

High Current Capacity: Rated for a 40-amp full load amperage (FLA)

The Watts 0887709 is the vent float kit only

Miscellaneous Product TS-470 Switch Els PW 17895 Technicians should look for visibleThe TS 470 Damper Position Switch provides open or closed position indication for compatible HVAC dampers and control assemblies. It uses an encapsulated mercury SPDT position switch mounted on a crank arm designed for a 1 2 inch horizontal damper shaft. This HVAC damper end switch changes contact state as the shaft rotates, allowing a building automation system, control panel, relay circuit, or other compatible equipment to confirm damper position.