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The Dwyer Instruments DA-31-2-1 is a pressure switch that operates between one eighth and fifteen psi
including hydronic heating systems and potable water systems
TRIAC Switching Action
The Hart & Cooley 54006 is a 6 inch HVS T-Bar diffuser duct connection collar
Belimo B217 CCV, 2 Way, 3/4 in NPT, 4.7 Cv voomi_id_151996 The Dwyer Instruments DA-31-2-1 isProduct Description The Belimo B217 is a characterized control valve designed for 3 4 inch NPT applications with a flow capacity of 4. 7 Cv. This valve is suitable for use in air handling units on heating or cooling coils and fan coil units. It effectively manages variable flow in hydronic systems. Ball valve design minimizes leakage and self cleans for better durability. Rated for water temperatures up to 250 F with a close off pressure of 200 psi.
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