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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This SPDT pneumatic relay is designed to either divert a single pilot signal to one of two branch circuits or select between two separate inputs to transmit to a downstream control device
Failure is typically indicated by an inducer motor that runs continuously without the burners igniting
This HVAC blower control module is engineered for high-performance switching
Designed for high-efficiency variable speed blower motors
299" inside diameter
Watts 0121452 Valve 320788-703 This SPDT pneumatic relay isThe Watts 0121452 is a high capacity Series 140X automatic reseating temperature and pressure relief valve designed for heavy duty commercial water heating applications. Engineered for systems requiring high BTU discharge rates, this valve features a 3 4" NPT male inlet and NPT female outlet, rated at 125 PSI with a steam discharge capacity of 1,218,000 BTU hr. The 5 inch thermostat extension ensures accurate thermal sensing deeper within the tank or