McDonnell & Miller 157S-RL Controller Els PW 17895 Will this work with QMark

Will this work with QMark AWH series heaters

60" WC (Water Column) trip point

Can this contactor be used in 1-pole applications

What is the maximum voltage the sensor can clamp onto

Engineered as a robust inverted flare retrofit solution

McDonnell & Miller 157S-RL Controller Els PW 17895 Will this work with QMarkThe McDonnell & Miller 157S RL (Part Number 176902) is a heavy duty combination low water cut off and pump controller designed explicitly for steam boilers with an integral water column. This model features alternate tappings including 1 2" NPT connections for gauge glass and tri cocks, providing versatile installation options for commercial and industrial applications. Built with a Monel bellows for superior corrosion resistance and a snap acting