It is also the correct replacement assembly for 25A liquid level controls and 851S series make-up water feeders

this valve stabilizes system pressures even under fluctuating thermal loads

How does the 3-inch probe impact installation

the 511-044-360 is factory-configured for natural gas

The long stem design provides necessary clearance for standard boiler insulation and casings

Supco SPLT3400 Hot Surface Ignitor 320074-702 It is also the correctThe Supco SPLT3400 Hot Surface Ignitor is a high performance silicon nitride heating element designed to provide reliable ignition in forced air furnaces and boilers. This supco hot surface ignitor serves as a high integrity furnace ignition replacement, specifically engineered as the DS007KJ direct replacement. Unlike older silicon carbide components, the silicon nitride construction of the SPLT3400 offers superior physical durability and resistance