The McDonnell & Miller FS6-1 (Part Number 115600) is a high sensitivity liquid flow switch engineered for heavy-duty industrial and commercial applications where precision monitoring is mandatory

Low Pressure Optimized: Specifically rated for 0-5 PSI

Can I use the PD425117 to replace a different relay brand

and plunger fatigue

It includes a high-capacity 3/4 inch gas valve for precise manifold pressure regulation and a United Technology control module that manages the intermittent pilot ignition sequence

Amana Goodman 11177118 Pressure Switch 322056-301 The McDonnell & Miller FS6-1The Amana Goodman 11177118 Pressure Switch is an essential OEM furnace replacement part designed specifically for Goodman and Amana 2 stage gas furnaces. This high precision HVAC safety switch ensures your draft inducer motor generates the required vacuum of 0. 55" PF to allow for safe combustion and proper flue venting. Engineered with a Single Pole Single Throw (SPST) configuration and 1 4 inch terminals, this dual pressure switch provides reliable