Sterling Radiator Trap, Model 770-L, 1/2″ pipe, 25 psi
Sterling left hand pattern thermostatic trap model 770-L 1/2″pipe 25lb maximum operating pressure, capacity 1,280lbs per hour. Sterling thermostatic traps are recommended for: low pressure two pipe heating systems radiators, convectors, fintube,etc. They handle steam, air, and condesate by pressure and temperature to open and close the diaphragm or bellows. This thermostatic element expands when steam is present to close the trap, and contracts when the cooler air or condensate is present to open the trap which allows the condensate to drain. The Sterling thermostatic trap has cast bronze body available in angle and straight pattern.
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