Reliable Starting: Designed to start under system load without the immediate need for additional start components in most standard configurations

The Armstrong International A21348-1 Gasket is the specific OEM replacement gasket required to maintain a pressure-tight seal on B2 and B3 Series Float & Thermostatic Steam Traps

It serves as a universal mounting base for actuators that cannot be direct-coupled

simplifying inventory management for contractors servicing older WSC

Field-Adjustable Modes: Features a JP1 jumper to toggle between Enhanced and Standard modes for specific site troubleshooting

Utica-Dunkirk 3761801 Pilot Assembly 326058-755 Reliable Starting: Designed to startThe Utica Dunkirk 3761801 Pilot Assembly is a high precision OEM replacement engineered specifically for gas fired boilers and furnaces within the ECR International family of brands. Designed for natural gas systems, this 24V MGB pilot assembly ensures consistent ignition and flame stability, which is critical for maintaining safe combustion and system efficiency. As a genuine Utica boiler replacement part, it features an exact fit configuration