Features:

• Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure
• Valve returns to automatic position when power is restored
• All models may be installed without disassembling the valve
• Compact construction for easy installation
• Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system
• Actuator motor may be replaced without removing the valve body or draining the system