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6
Preparation For Installation:
1. Install 3/4” MPT boiler drain in the tting as shown. Either
side can be utilized. Note: If using the supply and return on
each side, either one of the returns is going to need the drain
valve incorporated.
Note: Use teon pipe thread sealant or teon tape on ALL
threads before connections are made.
2. Install the 1/2” MPT temperature/pressure gauge in tting
where shown.
3. Locate and install the outside air temperature sensor.
Location of this sensor should be on the North side of the
home or building and out of direct sunlight. Use a cat3 cable
or 18-2 thermostat wire to attach the sensor to the terminals
located beside the control board. The wires can be connected
to the sensor with wire nuts or butt splice connectors.
Boiler Kit Materials: (Refer to page 3)
List of items shipped with the unit.
1 - 3/4” Boiler Drain
1 - 3/4” Safety Relief Valve
1 - 1/2” Dual Temperature/Pressure Gauge
1 - Outdoor Air Sensor
2 - Piping Support Brackets
1 - Scraper Tool
4 - 1½” Levelling Feet. (page 7)
Attach Outside Air
Sensor Here
Bolt-Down Brackets:
Use the brackets from
the original packaging
and at least 4 bolts (not
supplied) to secure the
unit in its permanent
location.
Recommended for all
installations.
It is recommended that the
levelling feet be installed
in all installations. The air
space provided will help to
prevent condensation or
trapped moisture which may
lead to rust on the bottom of
the unit.
The feet can be adjusted
using a 7/16” open end
wrench.