This specifies the exact pressure (measured in water column) required to actuate the internal diaphragm and close the electrical circuit

When performing a heat exchanger retrofit or routine maintenance

making it a versatile replacement shaft adapter for a wide range of spring-return and non-spring-return DCA models

Simplified retrofit: The split-core iris snaps directly over insulated conductors

If the draft exceeds 0

Spence 04-01641-00 Diaphragm Els PW 17895 This specifies the exact pressureMaintaining a precise pressure setpoint requires high integrity components, and the Spence 04 01641 00 Diaphragm is the industry standard for 2 1 2" Type E Main Valves. As a veteran technician, you know that the performance of pilot operated regulators hinges on the responsiveness of the stainless steel diaphragm. This OEM replacement part is engineered to withstand the rigorous demands of steam and fluid process control, ensuring a frictionless