McDonnell & Miller 157S-R-M Pump Controller Els PW 17895 The Raypak 004868F Gas Valve

The Raypak 004868F Gas Valve is an essential OEM replacement component designed specifically for Raypak atmospheric heaters and modern digital pool heaters

Its durable construction is designed to withstand the rigorous duty cycles of commercial HVACR and compressed air environments

It is commonly used in York air conditioning units and is suitable for retrofit or replacement applications where consistent metering performance is required

Designed to withstand the thermal cycling and high-pressure demands of localized heating and process steam applications

McDonnell & Miller 157S-R-M Pump Controller Els PW 17895 The Raypak 004868F Gas ValveThe McDonnell & Miller 157S R M (Part Number 177306) is a heavy duty, float operated low water cut off and pump controller designed for commercial and industrial steam boilers. This unit features an integral water column and alternate tappings to simplify installation on various boiler configurations. The 157S R M is functionally identical to the 172817, utilizing a snap acting SPDT switch that eliminates the need for mercury while providing reliable