13
29
ZONE VALVES AND RELAYS
This diagram is an example
4
VENT
AB
A
B
Thermo-electric zone valves
Thermo-electric actuators, including TwisTop™
Motorized zone valves, Z-one™
Pump zone controls, Z-one™ Relay
Valve zone controls, Z-one™ Relay
Motorized ball zone valves, high-ow, high-close off
