McDonnell & Miller 27-W Control 30067439-890 it features a die-formed carbon

it features a die-formed carbon steel housing with a corrosion-resistant finish and an EPDM molded diaphragm that maintains a constant effective area throughout the entire stroke

which prevents localized stress on pump impellers and motor windings

Designed with a single-piece machined 17-4PH stainless steel pressure port

This part is widely used across Lennox residential furnaces and commercial packaged units

applying 24V or 240V will result in failure to engage or coil burnout

McDonnell & Miller 27-W Control 30067439-890 it features a die-formed carbonThe McDonnell & Miller 27 W is a robust, float operated liquid level control specifically engineered for make up water applications in open tanks and receivers. This mechanical water feeder features a high capacity valve mechanism that responds to minimal float movement, ensuring a consistent liquid level in commercial and industrial systems. Built with a durable brass body, a Monel valve seat, and an EPDM disc, the 27 W is designed to handle