Weil McLain 383-600-091 Valve 321894-709 This 120V primary to 24V

This 120V primary to 24V secondary transformer provides 40VA of power

Packless Bellows Design: Eliminates common leak points found in traditional shaft-seal designs for increased longevity in steam environments

When you are on a service call and need a drop-in Reznor heater motor replacement

When the pilot flame is lost

Weil McLain 383-600-091 Valve 321894-709 This 120V primary to 24VThe Weil McLain 383 600 091 is a high performance ASME Pressure Relief Valve specifically engineered for hydronic heating systems. Designed to protect the primary heat exchanger from over pressurization, this valve is factory calibrated to relieve at 30 PSIG. It features a robust 3 4" NPT female inlet and is the standard safety component for Weil McLain EG series boilers and other compatible hydronic units. When system pressure exceeds safe operating