featuring identical mounting characteristics and electrical ratings

Smith 100233662 Gasket is a critical combustion seal engineered for high-performance ignitor assembly systems in commercial and residential gas-fired water heaters and boilers

it provides the exact static pressure required to clear combustion chambers in distributed gas/electric HVAC systems

Standardized Mounting: The universal spade terminal configuration allows for rapid field installation and secure wiring

The large diaphragm-to-seat ratio allows for exceptional sensitivity

Dwyer Instruments 1638-0 Pressure Switch R-22 featuring identical mounting characteristics andThe Dwyer Instruments 1638 0 Pressure Switch is a high precision, large diaphragm differential pressure switch engineered for critical HVAC and industrial process monitoring. Designed for use with air and non combustible gases, this low pressure switch features an adjustable range of 0. 05" w. c. to 0. 25" w. c., making it ideal for duct air control and sensitive differential pressure sensing. The unit utilizes a single pole double throw (SPDT)