D3803995
Watts Radiant IsoTherm Zone Pump and Mixing Valve Control for Watts SS Manifolds
Watts Radiant IsoTherm Zone Pump and Mixing Valve Control for Watts SS Manifolds
The IsoTherm is a compact, efficient pre-piped and pre-wired pump and mixing valve control designed to connect
to Watts Radiant's 1" Stainless Steel manifolds. The IsoTherm is designed to eliminate many jobsite hassles.
When combined with Watts Radiant's electrothermal actuators and actuator
valve controls, a complete trouble free system is created, serving from 1
to 12 zones and delivering up to 50,000 BTU/h (maximum of 68,000 BTU/h
with a minimum boiler temperature of 160°F).
With a standard temperature range of 113° to 140°F (45° to 60°C), many
different installation types can be accommodated. The unit is factory
set at 131°F (55°C). The valve is easily adjustable and locks in
position with a 'click-stop' device, preventing temperature drift.
Furthermore, a three-speed 3-1/25 HP pump comes pre-installed and
pre-wired, taking the guesswork out of field installations. This unit is
ready - right out of the box!
Watts Isotherm Tech Sheet
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