The Honeywell Home V8043J product provides:

• 2-position, straight-through control of water or steam
• Compact construction for easy installation
• Manual opener for valve operation on power failure
• Valve returns to automatic position when power is restored
• Choice of sweat or flare fitting brass end connections for standard copper tubing
• Motor can be replaced by removing one screw, without disturbing the valve body or draining the system
• Complete powerhead may be removed or replaced without breaking the line connections or draining the system
• Can be installed without disassembling the valve
• Fits under the cover of most baseboards