synchro motor

[astarquitefrankly]

needed to change a synchro motor today on a siemens 2 port motorised valve. got it all set up but the spindle from the driving motor was too short to engage the valve, has anyone else come across this? i thought all synchro motors were the same?

 

[seco services]

no a standard motor won't fit all valves.

 

[namsag]

They are in this case, your not engaging it proper it will be pushing the rack away

 

[namsag]

SECO what valves have you found a standard motor wont fit, i have never came across one out of all the makes even those your not meant to change just the motor.
Not saying your wrong ,just asking

 

[seco services]

im trying to find it now i remember having one and i had a motor i took from a honeywell when i tried it the spindle was to short.

just can't think what valve it was.

 

[astarquitefrankly]

definately fully engaged, i managed to get it working by washering the back of the new motor to build it up but it looked a bit bodged so have ordered a new top. got the old and new synchro here and there is a 3mm difference in spindle length, bought it from a non english plumbers merchants so is probably imported muck.

.

 

[astarquitefrankly]

it was a Siemens (Landis & Staefa) top za-v222c.

 

[seco services]

you maybe right as i never useally use siemens valves

 

[astarquitefrankly]

iv never come across them before either which is what stumped me, thanks for the reasurance.

 

[namsag]

Neva had a prob with a standard synchron in a siemens or original landis valve although they are sh@te valves.

 

[gaspro1981]

is this the siemans valve with the black or the stainless actuator

 

[astarquitefrankly]

black plastic. got called back this morning, no hot water. must have accidently disengaged the motor housing whilst working on the heating valve so was just spinning on nothing.

i hate plumbing

 

[astarquitefrankly]

sorry to drag this up from the past but thought i would let any plumbers know who might come up against it.

got the new top for this valve and there was a warning inside saying "if valve that is being replaced has green fixing lugs please remove 2 springs from body" did this and original valve head worked without the clicking

just incase anyone ever comes up against this crappy valve

 

[seco services]

whats the two springs for then ?

 

[astarquitefrankly]

they just seem to push the housing up from the body and then you pull down the lugs to lock the body to the motor housing.

i fully replaced the central heating valve with a honeywell as the last few ridges had been worn away as the motor was constantly turning on them without engaging fully.