Functioning as the primary HVAC damper actuator spring

If the trap is failing open (wasting steam) or if there is visible erosion on the seating surface

Common Questions & Technical Insights What is the primary function of a slinger in a rooftop unit

Enhanced Flame Stability: Engineered to produce a robust

Weil McLain 510-350-223 Relay Functioning as the primary HVACThe 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