Customer Service: 888-995-6556
Free Shipping on Orders Over $500

Caleffi 6637D5A Brass Model 663 1 1/4" Pre-Assembled Distribution Manifold Assembly 4 Ports

$ 373.77

Pre-assembled distribution assembly consisting of return distribution manifold complete with built-in shut-off valves suitable for thermo-electric actuator and supply distribution manifold complete with manually adjustable balancing valves.

1" or 1-1/4" NPT inlet ball valves.
Loop Cv: 2.3 (combined supply & return ports).
Max. working pressure: 150 psi.
Max: temperature: 210°F.
Outlet center distance: 2 in.

663 manifold components
1 Supply manifold (complete with manually adjustable balancing valves only for 663 series).
2 Return manifold complete with shut-off valves that can be used with thermoelectric actuators.
3 Shut-off ball valves
4 End fittings consisting of a 3-way end fitting, automatic air vent valve and drain valve.
5 Pair of mounting brackets for use with series 659 boxes or direct wall installation.

Click to View Spec Sheet

Join our Mailing List

Sign up to receive our daily email and get 50% off your first purchase.