Heil Quaker ICP 512050230WT Rollout THPU32HP7Y The Kunkle 6021 is essentially

The Kunkle 6021 is essentially a 6010 model upgraded with a Teflon (PFA) disc insert

and ductwork for obstructions

Direct Compatibility: Standard 1/2" NPT threading facilitates fast drop-in replacement during service calls

5 MFD 370 VAC capacitor for proper startup and run performance

and M9116-AGD-2

Heil Quaker ICP 512050230WT Rollout THPU32HP7Y The Kunkle 6021 is essentiallyThe Heil Quaker ICP 512050230WT Rollout is a critical safety component designed for Heil Quaker, Comfortmaker, Tempstar, and Keeprite gas fired furnaces and boilers. This rollout thermal fuse acts as a non resettable safety limit, specifically calibrated to a 228C 442F temperature rating. When heat concentrations near the burner assembly exceed these precise OEM specifications? often due to a cracked heat exchanger, blocked flue, or poor draft? the