causing pressure switch errors or hazardous exhaust leaks into the conditioned space

allowing for flexible control signal integration including 2-10VDC or floating point

making it a versatile HVAC replacement part for diverse gas-fired equipment

Can this switch be used to monitor flue gases

certain Sporlan A8 valves can be configured for other pressure control functions

Spence E-3/4 Valve Els PW 17895 causing pressure switch errors orThe Spence E 3 4 is a 3 4 inch pilot operated pressure regulator designed for high performance steam service. Built with a rugged cast iron body and a normally closed design, this E series main valve is a staple for HVAC steam heating systems and industrial process control. It functions as the primary diaphragm actuated valve when paired with a variety of Spence pilots, allowing for precise pressure reduction, temperature regulation, or back pressure