McDonnell & Miller 42S-HD Low Water Cut-Off/Pump Controller Head MechanismMcDonnell & Miller 42S HD Low Water Cut Off Pump Controller Head Mechanism is a dependable replacement part for the 42S series Low Water Cut Off Pump Controller. This head mechanism is engineered to provide accurate low water switching and reliable pump control, helping to protect boilers from dry firing and ensuring safety and efficiency. As a Type Head Mechanism, it is designed for straightforward installation and seamless compatibility with the 42S

Application: Reversing valve replacement for CXH5/HXH5/TXH5 family units

and consistent temperature control in compatible Goodman systems

Application: Industrial semi-automatic programmed firing for single burner systems

durable construction designed for high-traffic environments

8 kW heating element for strong heat output

05 in for flexible mounting

diaphragm valve built for demanding industrial applications

Compatibility with R2H360GKR100

rugged device simplifies maintenance by delivering reliable automatic self-testing during operation and monitoring

this model offers an organized connector harness solution and reliable electrical wiring harness performance for industrial wiring harness environments

302F stainless steel spring

helping protect fans