this comprehensive bundle includes a high-durability diaphragm assembly

this assembly comes complete with the fixed lead wires and the specific plastic connector required for a direct-fit furnace repair

including the Series 26 and 27 modules

making it a direct fit for most standard Fenwal electrodes and high-voltage transformers

A pressure switch stuck open code usually indicates insufficient draft from the inducer

Ranco O16-503 Pressure Control Els PW 17895 this comprehensive bundle includes aThe Ranco O16 503 is a heavy duty high pressure cutout control designed for precise system protection in commercial refrigeration and air conditioning applications. As a direct P70JA 18 replacement, this SPDT pressure control features a single pole double throw switch, offering versatility for both safety cutout and alarm signaling. Built with a high visibility scale for accurate field adjustments, it manages a wide operating range from 150 to 450