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The Munchkin is certified as an indoor appliance. Do not install the Munchkin
outdoors or locate where it will be exposed to freezing temperature. This includes all
related piping and components. If the Munchkin is subjected to flood water or
submersed in water, the Munchkin must be replaced.
Service clearance of the Munchkin
1. The front of the appliance needs 24" of clearance for service minimum. It may have
a non-rated or combustible door or access panel and must have a minimum of 24"
clearance.
2. The left side of the heater is 12" clearance
3. The right side of the heater is 12" clearance
4. The top of the heater is 15" clearance.
If the Munchkin is set up for liquefied petroleum (LP) gas, some geographic areas follow the Uniform
Mechanical Code, section 304.6, "Liquefied petroleum gas burning appliances shall not be installed in
a pit, basement or similar location where heavier-than-air gas might collect. Appliances so fueled, shall
not be installed in a below grade under-floor space or basement unless such location is provided with
an approved means for removal of unburned gas."
Condensation removal: This is a condensing, high efficiency appliance, therefore
condensation removal must be addressed to avoid damage to surrounding area or
appliance. See Part (4) for Condensate Requirements.
D. PRESSURE RELIEF VALVE
A pressure relief valve is installed into the right front side of the manifold. It is required that it meets
the requirements of ANSI/ASME Boiler and Pressure Vessel Code, Section IV or CSA B51: Boiler
Pressure Vessel and Piping Code as applicable for heating boilers. A ¾" pipe connected to the pressure
relief valve must be directed to a floor drain or suitable location within 6" of a drain or floor. To protect
the valve from freezing, do not plug or cap the pressure relief valve.
Serious explosion causing property damage and/or loss of life could result. Under no
circumstances should the relief valve be eliminated, capped or plugged.
8
WARNING
NOTICE
NOTICE
DANGER
GENERAL INFORMATION
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