Munchkin Gas-Fired Hot Water Circulating Heater Piping symbol legend, Contender Piping Details

GAS-FIRED HEATER Installation Manual

M. CONTENDER PIPING DETAILS

Piping symbol legend

circulator

(w/ isolation flanges)

gate valve

globe valve

ball valve

swing-check valve

flow-check valve spring-loaded check valve

hose bib / heater drain

TRV (straight)

TRV angle

circuit setter

manual 3-way valve

circulator

(w/ integral check valve)

pressure reducing valve

diff. pressure bypass

anti-scald mixing valve

T/P	temperature /pressure
	gauge

3-way motorized mixing valve

Munchkin Contender Heater

4-way motorized mixing valve

purging valve

pressure relief valve

backflow preventer

float-type air vent

zone valve

air separator

union

DHW temperature sensor

Super Stor Ultra

Outdoor temperature Indirect DHW Tank sensor

aquastat

heat exchanger

diaphragm-type expansion tank

radiant manifold

with valve actuators

radiant manifold

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