Hatco Imperial Series Installation And Operating Manual page 21

English
Temperature/
Pressure Gauge
3/4" Gate or
Ball Valve*
Water Inlet from
primary water
heater
Blended Phosphate Water
Pressure Reducing
Valve with Bypass
20 psi (138 kPa) flow
pressure maximum
Temperature/
Pressure Gauge
3/4" Gate or
Ball Valve*
Water Inlet from
primary water heater
Blended Phosphate Water
Treatment System†
NOTE: Centerline of booster "T" fitting must
not extend closer than 102 mm (4") to the floor.
Temperature/
Pressure Gauge
3/4" Gate or
Ball Valve*
Water Inlet from
primary water
heater
Blended Phosphate Water
Treatment System†
* Not supplied with booster water heater.
† Optional accessory.
Form No. EBOOSTERm_CN-0911
Pressure Reducing
Valve with Bypass
20 psi (138 kPa) flow
pressure maximum
Union*
Treatment System†
NOTE: Centerline of booster "T" fitting must
not extend closer than 102 mm (4") to the floor.
Figure 7. Plumbing Connections - Imperial "S" Series
Temperature/Pressure
Back
Pressure
Relief Valve†
3/4"
Union*
Inlet
Figure 8. Plumbing Connections - Two Imperial models Connected in Series
Pressure Reducing
Valve with Bypass
20 psi (138 kPa) flow
pressure maximum
Back Pressure
Relief Valve†
3/4" Union*
Floor Drain*
Figure 9. Plumbing Connections - Compact Series 4-18 kW
Back
Pressure
Relief Valve†
Outlet
3/4"
Inlet
Drain Valve*
Relief Valve
Outlet
Drain Valve*
Drain
Valve*
Floor Drain*
Temperature/Pressure
Relief Valve
Outlet
Inlet
Discharge from T/P Valve.
Air gap must comply
with plumbing code.
Floor Drain*
21
INSTALLATION
Temperature/Pressure
Relief Valve
Discharge from T/P Valve.
Air gap must comply
with plumbing code.
Temperature/
Pressure Gauge
Outlet to
Dishwasher
Shock Absorber
for water hammer†
Floor Drain*
Discharge from T/P Valve.
Air gaps must comply
with plumbing code.
Outlet
Inlet
Floor Drain*
Temperature/
Pressure Gauge
3/4"
Shock Absorber
Union*
for water hammer†
Drain Valve*
Temperature/
Pressure Gauge
Outlet to
Dishwasher
Shock Absorber
for water hammer†
Outlet to
Dishwasher