12
Domestic Piping
7
8
1
1
0
T
o dishwasher if
permitted by codes
2
3
U-Tube
assembly
O
ptional Recirculation Line
3
O
ptional
12" Heat trap
Cold water
inlet
4
3
3
6
9
Fig. 3: MODULATING DEL
TA
With Recirculation
1.
Mixing valve with check valve
2. Flow check valve
3. Shut off valve
4.
Backflow preventer or pressure reducing valve*
6. Thermal expansion tank*
7.
Circulator (controlled by aquastat)
8. Domestic drain valve
9. Vacuum breaker*
10. Recirculation
Aquastat
Note: All shut off valves
shown in this figure must be
closed when siphon draining
the MODULATING DELTA
* Optional devices may be required by local codes or installation requirements
Optional
12" Heat trap
8
1
To dishwasher if
permitted by codes
3*
Cold water
inlet
4
3
3
6
9
U
assembly
7
2
3
Optional Recirculation Line
10
Fig. 4:
Multiple MODULA
TING DEL
T
AS Installation
W
ith Recir
culation
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