excluding VR8205S)

install the 8-inch probe in a location that samples the average air stream

A 4-flash code typically indicates an open primary limit switch

Extended Reach: The 72" lead length is ideal for large-scale equipment where the distance between the pilot burner and the control module is significant

Key Benefits Precise Thermal Calibration: Features a factory-set 290°F open and 210°F close range to ensure consistent furnace safety shut-off during flame rollout events

ZoneFirst SPRD-10 Damper Els PW 17895 excluding VR8205S)The ZoneFirst SPRD 10 is a heavy duty 10 inch round barometric static pressure regulating damper engineered for bypass air management in multizone HVAC systems. Constructed from 22 gauge zinc plated galvanized steel, this mechanical bypass damper requires no electrical wiring, utilizing a single blade counterbalanced gravity design to automatically relieve excess duct static pressure. As individual zone dampers close, the SPRD 10 responds to the