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PIPING
33
Standard Munchkin boiler
Preferred piping
(multiple boilers / zoning with circulators)
Domestic water heating mode
NOTES:
1.
This drawing is meant to show system piping concept only.
Installer is responsible for all equipment & detailing required by local codes.
2. All closely spaced tees shall be within 4 pipe diameter center to center spacing.
3.
A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream
of all closely spaced tees.
4.
The minimum pipe size for connecting a Super Stor water heater is 1 inch.
5. The minimum pipe size for connecting a Munchkin boiler shall be 1.25 inches.
6.
All pumps are shown with isolation flanges. The alternative is standard flanges with full port ball valves.
7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119˚F.
8.
Install a minimum of 12 diameters of straight pipe upstream of all circulators.
9. A purging valve may be used in lieu of the ball valve / hose bib combination shown.
Drawing 2F
make-up water
closely
spaced
tees
space heating zone circuit
purging
valves
Munchkin boiler
T/P
PB1
P2
Super Stor
indirect DHW tank
anti-scald
mixing valve
Munchkin boiler
T/P
PB2
zone
circulators
cold
water
Fig. 5-10
NOTE: FOR VISION PIPING APPLICATIONS, REFER TO THE VISION INSTALLATION PIPING DIAGRAMS.