The NK300S is a (re)filling combination valve that contains an integrated pressure reducing valve, strainer, double check backflow preventer with air vent (to protect potable water supply against back flow of heating water into supply pipe), (2) shut-off ball valves, pressure gauge, and conveniently located test ports for easy inspections and check out. All the needed devices for refilling a heating system are contained.
Honeywell Combination Boiler Feed Valve, Series: NK300S, 1/2 in Nominal, Sweat x Threaded Connection, 10 - 58 lb/sq-in Pressure, 16 gal/min at 22 lb/sq-in, Brass Body, NBR and EPDM Seal, 33 - 140 deg F Ambient, 180 deg F Fluid, 7.48 in H
Body Material | : | Brass |
Dimensions | : | 7.48 in H |