McDonnell & Miller 310462 Switch Assembly Els PW 29614 Flexible Logic: Supports both direct

Flexible Logic: Supports both direct and inverse acting configurations to handle various tank fill or drain requirements

As a Normally Closed (NC) switch with Single Pole Single Throw (SPST) logic

This model is supplied without a harness

Can I use a universal 1075 RPM motor instead of this 1125 RPM model

verify the vacuum tubing is clear of debris and the venting system is unobstructed

McDonnell & Miller 310462 Switch Assembly Els PW 29614 Flexible Logic: Supports both directThe McDonnell & Miller 310462 (Model SWA 150S) is a heavy duty snap action switch assembly designed for precise low water cut off and pump controller transitions. This automatic reset assembly is a critical replacement component for Series 150S and Series 157S mechanical boiler controls. Built to manage steam boiler water levels up to a maximum operating pressure of 150 psi, the SWA150S provides reliable SPDT switching to prevent dry fire conditions