Enhanced Flame Stability: Engineered to produce a robust

and XE series units

Functioning as the primary HVAC damper actuator spring

Precise Thermal Calibration: Fixed 140-100 opening and closing points ensure the system operates within manufacturer-specified safety parameters

This unit typically produces 20 to 30 millivolts under an open-circuit test and is designed to operate pilot safety valves within industry-standard dropout ranges

Weil McLain 510-350-223 Relay Enhanced Flame Stability: Engineered toThe Weil McLain 510 350 223 Plug In Relay is a critical component for specialized switching in hydronic heating systems. Engineered with a DPST contact configuration and a 24V holding coil, this relay provides reliable circuit control for Weil McLain gas boilers, including the CGA, CGx, EG, and PFG series. Designed for secondary or auxiliary circuit management, it features a rugged high amperage capacityrated up to 25A at 30VDC and 10A at 250VACto