CTV-321

4 Zone 2-High Temp, 1 Low Temp Mixing Valve, Sweat Pump Zone Control Station

• 4 Zone Station Model Housing
• White Powder Coat Appliance Finish
• 3/4" Sweat Composite Body Pumps "UP15-42RUC7"
• Thermostatic 3-Way Mixing Valve
• Organic Acid Bath Polished Copper Piping
• System Bleed Purge Valve
• 4 Zone Electronic Relay Control Board
• Supply & Return Ball Valves
• Priority Zone One Feature
• Pump Duty Cycle Timer Options
• Integral Pump Flow Check Valves
• LED Indicator Lights

Note: Item may differ from Image

High Temperature Zones

Used for:

• High Temp Baseboard or Fan Coil Zones
• Indirect Domestic Hot Water Heater Zone

Low Temperature Zones

Used for:

• Low Temp In-Floor Heating Zones

Circuit Board Technology

New circuit board technology enables the optimum in complete boiler
system control, and simplifies wiring of the system.

Features within the circuit board include:

• 4-6 Zone Electronic Relay Control Board
• LED Indicator Lightes
• Boiler control contacts
• Various timer settings for pump exercise