RBI Dominator Series Installation & Operating Instructions Manual page 16

Typical Primary/Secondary Piping
Figure 11
(See Notes)
NOTES:
1. Boiler circuit piping must be sized
large enough to handle maximum fl ow
through unit.
2. Boiler pump sized to boiler design fl ow
requirements.
3. All boilers furnished with factory mount-
ed outlet water temperature gauge.
4. Boiler pump purging required. Use termi-
nals supplied.
Notice: These drawings show suggested pip-
ing confi guration and valving.
Check with local codes and ordinances for
specifi c requirements.
Low Temperature Piping with Thermostatic Valve
Figure 12
(See Notes)
H-18 Rev 2
NOTES:
1. For pump selection consult factory.
2. Boiler pump sized to boiler and thermostatic 3-way valve design fl ow
requirements.
3. Boiler circuit piping must be sized large enough to handle maximum fl ow
through unit.
4. All boilers furnished with factory mounted outlet water temperature gauge.
5. Boiler pump purging required. Use terminals supplied.
6. Valve is precalibrated for 140°F return temperature.
Notice: These drawings show suggested piping confi guration and valving. Check
with local codes and ordinances for specifi c requirements.
16
F F Finned copper tube gas boilers & water heaters – Boiler Manual Fi d b b il & h B il M
H-1 Rev 3
l
Pump
Gate Valve
Globe Valve
Angle Valve
Bufferfly Valve
Balance Valve
Ball Valve
Motorized Valve
Solenoid
Operated Valve
Self-Operated
Valve
Pressure
Reducing Valve
Check Valve
Pressure
Relief Valve
Flow Switch
Thermometer
Aquastat Union
Pressure Switch
Gas Pressure
Regulator
Automatic
Air Vent
Backflow-
Prevention
Device