White-Rodgers 21D64-5PK HSI R-410A Professional-Grade Wiring: Pre-stripped 8-inch color-coded

Professional-Grade Wiring: Pre-stripped 8-inch color-coded leads simplify field connections for faster installs

The cast iron valve body handles a maximum working pressure of up to 125 psig

providing reliable system protection without the need for manual adjustment

this unit features 1/2" MNPT connections and is built to withstand extreme thermal cycling and pressure fluctuations

a variant with Ethylene Propylene or PTFE seals should be utilized to prevent seal degradation

White-Rodgers 21D64-5PK HSI R-410A Professional-Grade Wiring: Pre-stripped 8-inch color-codedWhen you're out on a service call dealing with a cracked silicon carbide igniter, the White Rodgers 21D64 5PK HotRod is the professional grade solution to keep on your truck. This 5 pack of 120V silicon nitride igniters is designed specifically for high efficiency gas furnaces, boilers, and water heaters. Unlike brittle carbide models, the nitride construction in this universal hot surface igniter handles the thermal stress of modern ignition cycles