This SPST (Single Pole Single Throw) fixed-temperature high-limit switch is calibrated to trigger at 250 degrees Fahrenheit

Environmental Durability: The NEMA 3R rated housing prevents internal condensation and protects the SPDT switch assembly in outdoor conditions

Can I use this on different Ultra boiler sizes

Johnson Controls R-3710-2010 Restrictor

maintaining the factory-specified circuit integrity and footprint

Watts 0226080 Low Water Cut Off R-410A This SPST (Single Pole SingleAs a veteran tech, you know that keeping a steam boiler safe means having a reliable low water cut off you can trust. The Watts 0226080, specifically the SAN89S model, is a heavy duty float and switch assembly designed for rapid field servicing without disturbing your existing pipework. This single switch assembly features a rugged SPST switch (Single Pole Single Throw) configuration, making it the industry standard for 15 psi steam applications where