simplifying field installation and restoring unit performance to original manufacturer standards without the need for mounting modifications or terminal adjustments

Common Questions: How do I know if my 632476R is faulty

Easy Installation: Mounts directly within the motor wiring box for a clean

it provides versatile SPDT relay wiring configurations for complex sequencing

it monitors blower motor performance to ensure the combustion air fan is generating sufficient static pressure before allowing the gas valve to energize

McDonnell & Miller 349500 Hook-Up 30067439-890 simplifying field installation and restoringThe McDonnell & Miller 349500, also identified by model number SA159 24, is a specialized lower quick hook up fitting engineered for seamless integration with steam boiler safety controls. This critical component serves as a direct replacement part for the McDonnell & Miller Series 47 and 47 2 mechanical water feeders, as well as the Model 64 A, 42A, 67, and 42S A low water cut offs. Designed for professional installation, it enables a reliable