Installation – Hatco IMPERIAL "S" User Manual
Page 24
Form No. EBOOSTERM-0406
22
INSTALLATION
Figure 10. Plumbing Connections - Compact Series 4-18 kW
Figure 9. Plumbing Connections - Two Imperial Models Connected in Series
Temperature/Pressure Gauge
3/4" Gate or
Ball Valve
*
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
Shock Absorber for water hammer †
Temperature/Pressure Gauge
3/4" Union
*
3/4" Union
*
Drain Valve
*
Floor Drain
Inlet
Outlet
Temperature/Pressure Gauge
Temperature/Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
3/4" Gate or
Ball Valve
*
Temperature/Pressure
Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
Shock Absorber for
water hammer †
Temperature/Pressure
Gauge
NOTE: Centerline of booster “T” fitting must not
extend closer than 4" (102 mm) to the floor.
Water Inlet from primary
water heater
Inlet
Inlet
Outlet
Outlet
T/P Gauge
Outlet to
Dishwasher
3/4" Union
*
3/4" Union
*
Drain Valve
*
3/4" Union
*
Drain Valve
*
Floor Drain
*
not supplied with booster heater
*
not supplied with booster heater
Blended Phosphate Water
Treatment System†
Blended Phosphate Water
Treatment System†
Figure 8. Plumbing Connections - Imperial “S” Series
Temperature/Pressure Gauge
Blended Phosphate Water
Treatment System†
† optional accessory
3/4" Gate or
Ball Valve
*
Pressure Reducing Valve
with Bypass 20 psi (138 kPa)
flow pressure maximum
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
Shock Absorber for water
hammer †
Temperature/Pressure Gauge
NOTE: Centerline of booster “T” fitting must not
extend closer than 4" (102 mm) to the floor.
Water Inlet from primary
water heater
3/4" Union
*
Inlet
Outlet
3/4" Union
*
3/4" Union
*
Drain Valve
*
Floor Drain
*
not supplied with booster heater
Temperature/Pressure Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
Outlet to
Dishwasher
Pressure Reducing Valve
with Bypass 20 psi
(138 kPa) flow
pressure maximum
3/4" Union
*
† optional accessory
Water Inlet from primary
water heater
† optional accessory
Pressure Reducing Valve with Bypass 20 psi
(138 kPa) flow pressure maximum
Temperature/Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
Outlet to
Dishwasher