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Something for the weekend sir?


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Nope. Tomorrow I will provide some pictures to show why not - basically the head unit (the silver coloured part in the pic) of this will not fit on the valve (the brass part) of the current fitted valve and you cannot buy a replacement head unit for the current fitted valve

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1 hour ago, BotusBuild said:

basically the head unit (the silver coloured part in the pic) of this will not fit on the valve (the brass part) of the current fitted valve and you cannot buy a replacement head unit for the current fitted valve

 

Can you buy the replacement motor (assuming that is faulty) for the head unit? 

 

not trying to be a smart arse, just trying to save you the job of having to drain down the system / plumb and wire it in.

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23 minutes ago, BotusBuild said:

I've looked at that option too. The SwitchMaster VA1 has been obsolete for years, and now even the internals cannot be found ?

 

 

The motor should be a standard geared synchronous motor, as these valve companies don't make their own motors, they buy them in, and pretty much every valve uses a very similar motor (most seem to be similar enough to interchange with those from other makes).  This is a pretty standard universal valve motor: https://www.ebay.co.uk/itm/SYNCHRON-MOTOR-UNIVERSAL-SYNCHRONOUS-MOTORISED-VALVE-TSSYN/392273178813?hash=item5b554db0bd:g:94EAAOSwwJJcqg-c

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I've read the Switchmaster has 6 wires whereas a standard say Honeywell has only 5. Found this:

 

sm=====honeywell
earth===earth
neutral===meutral
yellow===white
white===grey
red, join to orange===orange

 

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Thanks @Onoff I found that one too ?

 

I have now changed the valve, but now have another problem, more later.

 

In the meantime some pics, first the old valve and head

20200321_153810.thumb.jpg.714fae32af4a7bf32cc0306ecc246930.jpg

and then the new

20200321_091356.thumb.jpg.f5f05df997ea53c91e6cf45e065fc826.jpg

The new head was never going to fit on the old valve ?

and finally inside the old head to see the motor.

15848714111565512245472616246832.thumb.jpg.9743a46aaa4029966cbef45b653a3b27.jpg

Might take it apart more later on.

 

But now I have to locate  one of these

20200321_201226.thumb.jpg.821443e38ea562cb269d814c02eea1e1.jpg

15848716563678221287395065334051.thumb.jpg.bbe49ab49ef41a942cc155786fe68fe0.jpg

15848717287856202162767182965393.thumb.jpg.d1e77e57052150f8db9a4a115425b3b4.jpg

Anyone know what that piece of brass is called

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FYI - the brass piece fits into the side of the hot water tank near the bottom (the larger thread), and the cold feed comes in the other (22mm compression), and obviously the other bit is the drain tap and you can see the need to replace in the first pic

Edited by BotusBuild
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I am sure I could find a washer to replace that.

 

2 alternatives.

 

Take that drain cock to a plumber merchant and see if the "tap" bit from another drain cock will fit into yours. (take a small adjustable spanner)

 

Or re plumb for a single inlet drain cock and a separate tee.

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