Hatco Imperial Series Installation And Operating Manual page 16

Electric booster water heaters
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INSTALLATION
Plumbing Connections
Temperature/
Pressure Gauge
3/4" Gate or
Ball Valve‡
Copper Water Inlet
from primary
water heater
Blended Phosphate Water
Temperature/
Pressure Gauge
3/4" Gate or
Ball Valve‡
Copper Water Inlet
from primary
water heater
Blended Phosphate Water
† Not supplied, but is available as an option/accessory.
‡ Not supplied with booster heater.
WARNING
Valves, gauges, and unions must be installed per diagram
to ensure proper operation, servicing, and warranty
coverage.
Pressure Reducing Valve
with High Pressure By-pass
(138 kPa [20 psi] flow
pressure maximum)
Treatment System†
Discharge from T/P Valve.
Air gap must comply
with plumbing code.
Pressure Reducing Valve
with High Pressure By-pass
(138 kPa [20 psi] flow
pressure maximum)
Treatment System†
Restrictor†
NOTE: Centerline of booster "T" fitting must
not extend closer than 102 mm (4") to the floor.
Temperature/Pressure
Relief Valve, 1040 kPa/99°C
(150 PSI/210°F)
Back
Pressure
Relief Valve†
Compact Series
Temperature/
Pressure Gauge
Back
Pressure
Relief Valve†
Inlet
Flow
Mini-Compact Models
16
Temperature/
Pressure Gauge
Outlet
Copper Outlet
to Dishwasher
Shock Absorber
for water hammer†
Drain Valve‡
Inlet
Floor Drain‡
Shock Absorber
for water hammer†
Temperature/Pressure
Relief Valve, 1040 kPa/99°C
(150 PSI/210°F)
Discharge from T/P Valve.
Air gap must comply
with plumbing code.
Floor Drain‡
Drain Valve‡
Form No. EBOOSTER_AAM-1017
English
Copper Outlet
to Dishwasher

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