HeatLink® TwistSeal® Zone Valve Supply and Balancing Return Module Pair, Mini Delux, 1 in Nominal, FNPT, 100 psi, 160 deg F, 1.25 gpm, Media: Water, Polysulfone/Nylon Body, 40 mm, Import
The supply module provides on/off manual control to allow isolation of individual loops. The return module permits balancing of the flow rate with flow setting dial. Comes with O-rings.
HeatLink® TwistSeal® Zone Valve Supply and Balancing Return Module Pair, Mini Delux, 1 in Nominal, FNPT, 100 psi, 160 deg F, 1.25 gpm, Media: Water, Polysulfone/Nylon Body, 40 mm, Import
The supply module provides on/off manual control to allow isolation of individual loops. The return module permits balancing of the flow rate with flow setting dial. Comes with O-rings.