paired with a straight boot on the module connection for secure seating

6-inch diameter) and utilizes a standard belly band mount

Complete Field Kit: Includes Source1 defrost control board

preserving cooling capacity in high-ambient conditions

Weil McLain 510-811-476 Retrofit Kit Refrigerant paired with a straight bootThe Weil McLain 510 811 476 ignition control retrofit kit is a critical field replacement solution designed to transition older boiler systems from obsolete Fenwal 05 21 or 05 31 series controls to the high reliability Fenwal 35 655505 011 integrated ignition module. This comprehensive kit addresses the common failure points in legacy spark to pilot and direct spark ignition sequences, ensuring stable flame rectification and precise timing for