Reznor 100525 Kit THPU32HP7Y also referenced as Fasco 712110605

also referenced as Fasco 712110605 and U21B

the Reznor 116045 TR Green Indicator Light is a critical component for monitoring burner status in Reznor TR series infrared heaters

or mechanical debris preventing the plunger from seating

Common indicators include evaporator icing

Contractors should note that the HS3GN15A24 is designed for a 1/2-inch conduit connection

Reznor 100525 Kit THPU32HP7Y also referenced as Fasco 712110605For contractors servicing legacy Reznor unit heaters, the Reznor 100525 Spark Ignition Retrofit Kit is a critical OEM replacement part designed to upgrade outdated systems and ensure reliable burner startup. This kit is specifically engineered for Reznor Model F and B units (sizes 25 through 165), replacing obsolete ignition components with a modernized spark to pilot system. Unlike systems that include a safety lockout feature, this recycling