RV4043 RV4044 Van điều khiển FCU Resideo

FEATURES
• RV4043 provides 2-position, straight-through control of water. 
• RV4044 provides 2-position diverting control of water.
• Compact construction for easy installation.
• Manual opener for valve operation on power failure
• Valve returns to automatic position when power is restored.  
• Motor can be replaced by removing one screw, without disturbing the valve body or draining the system. 
• Complete power-head may be removed or replaced without breaking the line connections or draining system. 
• All models can be installed without disassembling the valve.