Fig. Q — Valve Package without Motorized Control
When isolation valves only are specified, they will be
brazed to the coil stub-outs.
Check job specifications for system pressure, pressure
drop limitations and flow rate prior to selecting specific com-
ponents or valve package size (1/2 in., 3/4 in., etc.).
2-PIPE SYSTEM ONLY (One Valve Package) Application:
• 2-Pipe - Hydronic Heating Only
• 2-Pipe - Hydronic Cooling Only
LEGEND
NOTES:
1. Continuous water flow, chilled water or hot water.
2. Not recommended for high humidity applications.
3. 2-Pipe System Only: Not recommended with
unit-mounted thermostat on vertical units.
4. The addition of any other component(s) will require
swage fitting for field braze or optional union connection.
5. Packages factory furnished and installed.
6. Valves are 5/8 in. ODS unless otherwise specified.
7. If an automatic flow control valve is added, it will be
located on supply line between shutoff valve and coil (or
motorized control valve, if supplied).
8. When aquastat is used for automatic changeover,
bypass is required as indicated by dashed line.
Balancing Valve
Ball Valve
Circuit Setter
Gate Shut Off Valve
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