Beckett Igniter 7622TW03 Well 321042-401 It is the primary replacement

It is the primary replacement for Heil

specifically for 40-gallon and 50-gallon high-recovery models

Built with high-grade refractory materials to withstand the intense thermal stress of the combustion chamber

which is the standard rotation for most modern furnace blower wheels

Beckett Igniter 7622TW03 Well 321042-401 It is the primary replacementThe Beckett 7622TW03 is a professional grade 3 4 inch NPT brass immersion well engineered specifically for high performance integration with Beckett AquaSmart controls. This thermowell serves as a direct, heavy duty replacement for older polymer models like the 7600TW, offering superior structural integrity in high pressure oil burner applications. Constructed from a robust brass and copper alloy, the Beckett 7622TW03 is rated for operating