McDonnell & Miller 349500 Hook-Up 30067439-890 Always match the pitch and

Always match the pitch and diameter exactly

Reduced Callbacks: Improves troubleshooting accuracy

it is commonly utilized in dual fuel (hybrid) applications to lockout the furnace until the outdoor temperature drops below the heat pump's effective operating range

Common Questions: Does this kit include the O-rings

effectively replacing over 100 competitive models from Honeywell

McDonnell & Miller 349500 Hook-Up 30067439-890 Always match the pitch andThe 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