15
IM-HC 599871 0321 RABS
Product Information
Powerhead
Model
1250.1US
The powerhead controls the flow through the circuit on which it is
mounted. The control unit regulates each powerhead through the series
of ribbon cables connected to the series of circuit hubs.
Subcomponents
1
2
3
4
Figure 3: Powerhead
1 - Valve on (up) / off (down and flush) indicator
2 - Housing
3 - Plug for circuit hub
4 - Threaded connection to the return valve on the return manifold
For mounting instructions, see
Ä
3.3.3 “Mount the Powerheads” on
Return Sensor Port
Model
1250.2US
The return sensor port connects to the return manifold and houses the
return temperature sensor on the circuit hub.
Subcomponents
1
2
3
Figure 4: Return sensor port
1 - SVC connection to the return manifold
2 - Port for the return temperature sensor on the circuit hub
3 - SVC connection to tubing (for connection to Viega stainless
manifolds)
For mounting instructions, see
Ä