Hatco IMPERIAL "S" User Manual
Form No. EBOOSTERM-0406
23
INSTALLATION
Figure 12. Plumbing Connections - Mini-Compact Models
Figure 13. Booster Heaters with optional Back Pressure Valve
Temperature/Pressure Gauge
3/4" Gate or
Ball Valve
*
Temperature/Pressure Gauge
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
must comply with plumbing code.
Shock Absorber
for water hammer †
for water hammer †
Outlet to Dishwasher
3/4" Union
*
3/4" Union
*
3/4" Union
*
Drain Valve
*
Floor Drain
Inlet
*
not supplied with booster heater
NOTE: Centerline of booster “T” fitting must not
extend closer than 4" (102 mm) to the floor.
extend closer than 4" (102 mm) to the floor.
Blended Phosphate Water
Treatment System†
Treatment System†
Figure 11. Plumbing Connections - Compact Series 24-57 kW
Temperature/Pressure Gauge
3/4" Gate or
Ball Valve
*
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
must comply with plumbing code.
Shock Absorber for water hammer †
Temperature/Pressure Gauge
3/4" Union
*
3/4" Union
*
Outlet
Inlet
Drain Valve
*
Floor Drain
*
not supplied with booster heater
Blended Phosphate Water
Treatment System†
Treatment System†
Water Inlet from primary
water heater
water heater
Pressure Reducing Valve
with Bypass 20 psi (138 kPa)
flow pressure maximum
with Bypass 20 psi (138 kPa)
flow pressure maximum
Temperature/Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
150 psi (1034 kPa)/210°F (99°C)
† optional accessory
Outlet to
Dishwasher
Dishwasher
Water Inlet from primary
water heater
water heater
† optional accessory
Temperature/Pressure
Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
Pressure Reducing Valve
with Bypass 20 psi (138 kPa)
flow pressure maximum
with Bypass 20 psi (138 kPa)
flow pressure maximum
Temperature/Pressure Gauge
Back Pressure
Relief Valve
Relief Valve
3/4" Gate or
Ball Valve
*
Discharge from T/P Relief Valve. Air gap
must comply with plumbing code.
must comply with plumbing code.
Shock Absorber for water hammer †
Temperature/Pressure Gauge
3/4" Union
*
3/4" Union
*
Drain Valve
*
Floor Drain
Floor Drain
Inlet
Outlet
*
not supplied with booster heater
Blended Phosphate Water
Treatment System†
Treatment System†
Water Inlet from primary
water heater
water heater
† optional accessory
Pressure Reducing Valve with
Bypass 20 psi (138 kPa) flow
pressure maximum
Bypass 20 psi (138 kPa) flow
pressure maximum
Temperature/Pressure Relief Valve
150 psi (1034 kPa)/210°F (99°C)
150 psi (1034 kPa)/210°F (99°C)
Outlet to
Dishwasher
Dishwasher