Features： 

● The V4043 and V8043 provide 2-position, straight through control of water. 

• The V4044 and V8044 provide 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. 

• 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. 

• All models can be installed without disassembling the valve. 

• Fits under the cover of most baseboards. 

• Available with integral auxiliary end switch (V4044B; V8043E,F; V8044E) to permit sequencing of auxiliary equipment. 

• V4043E and V8043J provide straight-through control of steam.