Beckett Igniter 7622TW03 Well 321042-401 or 90-minute intervals to match

or 90-minute intervals to match local climate demands

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

it features a rugged brass body with durable NBR (Buna-N) seals

Why does this model specify "W/O

Designed as a direct replacement for Lennox part number 101572-04

Beckett Igniter 7622TW03 Well 321042-401 or 90-minute intervals to matchThe 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