Fulton Boiler 2-40-000420 Relay 321142-301 utilizing standard mounting points to

utilizing standard mounting points to align with the heat exchanger outlet

facilitating a straightforward installation in bell-end or belly-band mounts

Engineered for reliability as a critical safety component

Professional installation is recommended to ensure the blade is positioned at the correct depth within the shroud for maximum HVAC system efficiency

Fulton Boiler 2-40-000420 Relay 321142-301 utilizing standard mounting points toThe Fulton Boiler 2 40 000420 Relay is a critical 120V low water safety relay designed for demanding steam and hydronic applications. As a genuine OEM Fulton replacement part, this component integrates directly with your boilers control circuit to provide precise low water cutoff (LWCO) monitoring and pump control. Maintaining proper water levels is essential to prevent dry firing and catastrophic pressure vessel failure; this relay ensures that if a