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This coupler is a professional-grade alternative for Bell & Gossett Series 100
This 7-1/16" length spring enables the Straight-Thru-Flow design of the RV series to maintain accuracy even at low pressure differentials
ensuring consistent 24VAC control power
Is an adapter needed for the 1/2-inch connections
Velocity Boiler Works (Crown) 3503062 Ignition Module 320788-703 This coupler is a professional-gradeThe Velocity Boiler Works 3503062 Ignition Module is a critical OEM component engineered specifically for CWD and BWF series gas fired boilers. As a direct replacement for Crown Boiler part 1003 626A, this electronic ignition control manages the startup sequence and continuous flame monitoring required for safe combustion. For technicians troubleshooting intermittent lockout or failed ignition cycles, this module provides the precise timing and
