Munchkin Gas-Fired Hot Water Boiler Installation Manual download pdf (Page 20)

GAS-FIRED HEATER Installation Manual

Standard Munchkin Contender Heater

Preferred piping (zoning with circulators)

Space heating mode

make-up water

Super Stor Ultra

indirect DHW Tank

closely

spaced

tees

zone

circulators

space heating zone circuit

Drawing 1C

purging

valves

anti-scald

mixing valve

Munchkin

Contender

Heater

T/P

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 diameters center to center spacing.

3. A minimum of 6 pipe diameters of straight pipe shall be installed upstream & downstream of all closely spaced tees.

4. The minimum pipe size for connecting a Super Stor Ultra Indirect Water Heater is 1-inch.

5. The minimum pipe size for connecting the Munchkin Contender is 1.25-inch

6. Circulators are shown with isolation flanges and integral check valves. The alternative is standard flanges with full port ball valves and a

separate flow check valve. Purge valves can be used with the circulator flanges as an alternative.

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.

see note 6

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Munchkin Gas-Fired Hot Water Boiler Installation Manual Page 20