Taco 3450-2 1/2" fill valve and backflow preventer
$173.03173.03Taco 3450-2 boiler feed valve and backflow preventor with atmospheric vent and easy dial in pressure setting, 1/2 inch female thread x copper sweat. Maximum temperature is 210F, max pressure is 150psi, minimum pressure is 10psi, max flow is 25 GPM, fast fill and auto fill features.