McDonnell & Miller 349500 Hook-Up 30067439-890 Using this component for high-voltage

Using this component for high-voltage loads can result in insulation failure and system damage

Is the handle included with this assembly

Compressive set prevents old gaskets from re-sealing effectively once the flange torque is released

Applying line voltage to the coil will result in immediate component failure

This dual vent pressure switch features a trip point of -0

McDonnell & Miller 349500 Hook-Up 30067439-890 Using this component for high-voltageThe 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