White-Rodgers 21D64-5PK HSI R-410A This Wayne combustion repair kit

This Wayne combustion repair kit includes a high-quality 2-electrode set with buss bar assemblies (21666-013 and 21667-013)

Broad Compatibility: Standardized mounting profile specifically designed for Marley Engineered Products and compatible unit heaters

High Conductivity: High-performance copper and brass conductors maximize current flow while maintaining cooler operating temperatures

you can set 15-minute switching intervals across a true clock face

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

White-Rodgers 21D64-5PK HSI R-410A This Wayne combustion repair kitWhen 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