Filter
Top Products
12
CAUTION
Copper supply and return piping. must NOT be installed directly into aluminum boiler section
casings due to galvanic corrosion between dissimilar metals. Iron or steel bushings or pipe
nipples should be used between copper system piping and boiler to make final connection to
boiler. Also, the use of dielectric unions is acceptable. The packaged boiler is furnished with iron
piping in the front boiler section for the supply and return connections.
When the installation of the boiler is for a new heating system, first install all of the radiation
units (panels, radiators, baseboard, or tubing) and the supply and return mains. After all heating
system piping and components have been installed, make final connection of the system piping
to the boiler. A hot water boiler installed above radiation level must be equipped with a low water
cut off device. A periodic inspection is necessary us is flushing of float type devices, per low
water cut off manufacturers specific instructions.
A. SUPPLY AND RETURN LINES
The packaged boiler unit is set up to receive 1
1/4" NPT supply and return piping from top
access. The boiler unit can also be piped from the left side by turning the supply elbow, and
from the rear of the unit by removing plugs in the rear boiler section.
NOTE: The circulator pump and isolation valves are furnished within a carton inside the boiler
cabinet and can be installed at the installer preferred location.
NEAR BOILER PIPING