Installation / Operation Instruction Manual

16
Pre-installation continued-
APPLIANCE LOCATION
1. Boiler Location Locate the indirect-fired water heater as close
to the boiler as practical.
2. Fixture Locations For fastest delivery of hot water, place the
indirect-fired water heater close to points of use.
ADDITIONAL RECOMMENDED COMPONENTS
1. Shut-off Valves Allows isolation of water heater from
domestic water system and/or boiler system during service.
2. Unions Allows water heater movement during service if
adequate clearance cannot be provided.
3. Thermal Expansion Tank If the water heater is installed in a
closed water supply system, such as one having a back-flow
preventer in the cold water line, provide thermal expansion
control. Contact the water supplier or local plumbing inspector
for additional information.
WARNING
DO NOT plug the inlet and outlet tappings of tankless heater left
installed in the boiler.
MOVE THE WATER HEATER TO A PERMANENT
POSITION BY SLIDING OR WALKING.
NOTICE
Note: Per Section 507.2 Seismic Provisions of the 2021 Uniform
Plumbing Code (UPC). Water heaters shall be anchored or
strapped to resist horizontal displacement due to earthquake
motion. Strapping shall be at points within the upper one-third
and lower one-third of its vertical dimensions. At the lower point,
a distance of not less than 4 inches shall be maintained from
the controls with the strapping.
Please refer to the local authority having jurisdiction to see if
there are any additional local requirements regarding seismic
provisions.