Utica-Dunkirk 240009339 Sensor 30067439-890 Rated for 120V at 50/60

Rated for 120V at 50/60 Hz

if you have voltage but no 10" WC pressure at the outlet

Is this compatible with single-element kits

its push-on design with piston-type seals prevents unfiltered air bypass

Utica-Dunkirk 240009339 Sensor 30067439-890 Rated for 120V at 50/60The Utica Dunkirk 240009339 Sensor is a critical OEM component for hydronic heating systems requiring high precision temperature monitoring. This 24 inch hot water sensor is a direct replacement part engineered specifically for L7221 and L7248 Aquastat controls. As a veteran grade boiler temperature sensor, it provides the low voltage resistance feedback necessary for the control board to manage ignition cycles and high limit safety protocols