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Viega Hydronic Mixing Block User Guide
UG-HC 566234 0720 Hydronic Mixing Block
9
Insert the wiring terminal block into the
left side of the display screen. Firmly push
inwards until fully seated.
10
To install the pressure/temperature sensor into
the Delivery Fitting (3), firmly push down until
seated and secure with the stainless steel
sensor clip. Install clip with the lip facing down.
Connecting the Hydronic Mixing
Block to the Primary Loop
1
Connect the Supply Fitting (fitting 1) on the
Hydronic Mixing Block to the supply tee on
the primary loop.
2
Connect the Return Fitting (fitting 2) to the return
piping from the manifold. The branch connection
on the Return Fitting (fitting 2) should connect to
the return tee on the primary loop.
3
Connect the Delivery Fitting (fitting 3) to the
supply piping to the manifold.
Step 2
Step 3
Step 1
Direction of flow
Part No.
Dimension
(in)
Connection
79800
½ x 1
ProPress x F BSP
79805
¾ x 1
ProPress x F BSP
79810
1 x 1
ProPress x F BSP
96140
¾ x 1
PureFlow x F BSP
96160
1 x 1
PureFlow x F BSP
Viega Tailpieces for Use with
Hydronic Mixing Block
The following tailpieces may be used when
connecting piping to the Hydronic Mixing
Block. They are sold separately.
Make sure to disassemble the fittings
before soldering. The solder cup
should not be attached to the gasket
or Hydronic Mixing Block when soldering.
Allow soldered fittings to cool to room
temperature before re-assembly.
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