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It is the primary replacement for Heil
specifically for 40-gallon and 50-gallon high-recovery models
Fail-Safe Operation: The normally closed (NC) configuration provides a reliable safety default during power interruptions
Why does this model specify "W/O
it features a rugged brass body with durable NBR (Buna-N) seals
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