18
FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS
Figure 13 - Typical Boiler Primary/Secondary Piping System
(See Notes)
Figure 14 - Low Temperature Piping with Thermostatic Valve
(See Notes and Adjustment Procedures)
Operated Valve
Air Vent
Pressure Switch
Aquastat Union
Gas Pressure
Regulator
Automatic
Thermometer
Flow Switch
Pressure
Relief Valve
Reducing Valve
Self-Operated
Check Valve
Pressure
Valve
Pump
Motorized Valve
Solenoid
Ball Valve
Bufferfly Valve
Angle Valve
Gate Valve
Globe Valve
Balance Valve
Backflow-
Prevention
Device
3-Way Valve
Expansion
Tank
H-1 Rev 3
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
mounted outlet water temperature
gauge.
4. Boiler pump purging required. Use
terminals supplied.
Notice: These drawings show suggested
piping confi guration and valving.
Check with local codes and ordinances
for specifi c requirements.
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.
