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Standard Munchkin boiler
Preferred piping (zoning with circulators)
Domestic water heating mode
make-up water
closely
closely
spaced
spaced
tees
tees
purging
valves
NOTES:
1.
This drawing is meant to show system piping concept only.
Installer is responsible for all equipment & detailing required by local codes.
All closely spaced tees shall be within 4 pipe diameter center to center spacing.
2.
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.
The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119˚F.
7.
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.
NOTE: FOR VISION PIPING APPLICATIONS, REFER TO THE VISION INSTALLATION PIPING DIAGRAMS.
Fig. 5-8
space heating zone circuit
P1
T/P
Munchkin boiler
anti-scald
mixing valve
P2
Super Stor
indirect DHW tank
PIPING
Drawing 2D
zone
circulators
cold
water
31
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