HEATLINK 78303 TWISTSEAL MINI 3-PORT MANIFOLD MODULE (PAIR)

HeatLink® TwistSeal® Zone Valve Supply and Flow Meter Return Module Pair, Mini, 1 in Nominal, MNPT, 87 psi, 160 deg F, 1 gpm, Media: Water, Polysulfone/Nylon Body, 40 mm, Import

The supply module provides on/off manual control to allow isolation of individual loops and may be fitted for electric actuator and thermostat operation. The return module permits the balancing of the flow rate. Comes with O-rings. Modules can be locked in place with a couple of turns. No threaded rod, solder, or tools required. Just twist and seal.