it provides the exact voltage and flow characteristics required to maintain system safety and fuel economy

ensuring seamless mechanical integration without field modifications

or fails to initiate the burner

25" concentric specification

Fulton Boiler 2-40-000420 Relay R-22 it provides the exact voltageThe 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