Installation / Operation Instruction Manual

16
Pre-installation continued-
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
For California installation this water heater must be braced,
anchored, or strapped to avoid falling or moving during an
earthquake. See instructions for correct installation procedures.
Instructions may be obtained from California Office of the State
Architect, 400 P Street, Sacramento, CA 95814.