Is my boiler valve a Honeywell v4073a?

[RobNNN]

It needs replacing.

It's a Honeywell, it's a three way job, it's got a "pimple", it looks like a v4073a, but I cannot find "v4073a" printed anywhere.

Inside the cover it says "Sundial Y plan 3 Position Diverter Valve."

Also "Made in Canada 40003279-002"

On the front of the case it says "Honeywell 8951"

On the back of the case it says "40003916-003"

?

 

[swbjackson]

Yes it is but how do you know it needs replacing? You may get away with just replacing the synchron motor.

 

[Dan Robinson]

Yes it is, someone has replaced the top half at some stage in its life.

 

[RobNNN]

It is malfunctioning and, although the problem could be rectified with a new motor, the valve is pretty darn old now, so if I can get a new valve fairly cheaply then I will.