North America • Latin America • India • Europe / Middle East / Africa • China • Pacific Rim
armstrong
international.com
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit
armstrong
international.com for up-to-date information.
19
Water Connections
Transfer pump assembly must
be installed on level surface
and at or below heater level to
maintain pump's prime.
Inlet water pipe must be at least as
large as heater's water inlet piping.
Maximum recommended water velocity
is 9 ft/sec in inlet piping.
Suction hose between heater
and transfer pump must be
flexible to isolate vibration.
Line from transfer pump must
be routed to top of storage
tank to prevent backflow.
If large pressure swings occur,
install pressure regulating
valve in inlet water line.
Lower canister
Storage tank
Note:
Incoming water must not contain any chloride compounds above 100 ppm
or salts. These will destroy 304 stainless steel. (Alternative metals are available.)
Warranty is void unless clean, potable water is used.
Line from transfer pipe
must be at least as large as
transfer pump pipe.
Check valve
recommended.
