Baxi thermostat destroys Freeview TV picture
 

We have an old Baxi Bermuda back boiler which, when switching off the
cnetral heating (and to a lesser extent, the hot water) causes interference
on the digital TV picture such that the TV loses the signal until the
heating is switched off. During the winter, with the central heating on,
this process happens every few minutes. With analogue TV this was an
inconvenience since all that happened to the TV was a stripy line for a few
seconds. With Freeview, the whole picture freezes, breaks up and disappears.

Does anyone know whether the thermostat can be replaced with a more modern
one that won't cause the interferrence or, failing that, can one obtain some
sort of interferrence suppressor?

Cheers,

David

Baxi thermostat destroys Freeview TV picture
 

In an earlier contribution to this discussion,
David Chaplin wrote:

We have an old Baxi Bermuda back boiler which, when switching off the
cnetral heating (and to a lesser extent, the hot water) causes
interference on the digital TV picture such that the TV loses the
signal until the heating is switched off. During the winter, with the
central heating on, this process happens every few minutes. With
analogue TV this was an inconvenience since all that happened to the
TV was a stripy line for a few seconds. With Freeview, the whole
picture freezes, breaks up and disappears.
Does anyone know whether the thermostat can be replaced with a more
modern one that won't cause the interferrence or, failing that, can
one obtain some sort of interferrence suppressor?

Cheers,

David

One of these
http://www.maplin.co.uk/Module.aspx?...or&doy=1 2m12
across the thermostat contacts should do the job.
--
Cheers,
Roger
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Baxi thermostat destroys Freeview TV picture
 

"Roger Mills" wrote in message
...
In an earlier contribution to this discussion,
David Chaplin wrote:

Does anyone know whether the thermostat can be replaced with a more
modern one that won't cause the interferrence or, failing that, can
one obtain some sort of interferrence suppressor?

Cheers,

David

One of these
http://www.maplin.co.uk/Module.aspx?...or&doy=1 2m12
across the thermostat contacts should do the job.
--

Improving your aerial installation through the use of CT100/PF100 cable, and
either a screen socket, or a home made socket made from F Plugs and an F Barrel
should help. (If you have a wall socket)

See the articles about aerials on:

http://www.dtg.org.uk/publications/books.html

Parts available from:

www.satcure.co.uk


uk.tech.digital-tv is a more relevant ng


--

Michael Chare

Baxi thermostat destroys Freeview TV picture
 

On Tue, 12 Dec 2006 12:38:21 -0000, Michael Chare wrote:

Improving your aerial installation through the use of CT100/PF100
cable, and either a screen socket, or a home made socket made from F
Plugs and an F Barrel should help. (If you have a wall socket)

If the stat is wiping out his TV reception it's probably wiping out his
neighbours as well.

The stat is old and tired and is opening too slowly, eventually it will
fail completely, Get it replaced, HRPC may well have a the part but if
it's part of or even the gas valve itself messing with it unless you are
"competent" is not recommended. Check for suppression components I'd
expect them to be present but might not be adding some will help but not
ultimately cure the problem.

--
Cheers
Dave. pam is missing e-mail

Baxi thermostat destroys Freeview TV picture
 

Dave Liquorice wrote:
On Tue, 12 Dec 2006 12:38:21 -0000, Michael Chare wrote:

Improving your aerial installation through the use of CT100/PF100
cable, and either a screen socket, or a home made socket made from F
Plugs and an F Barrel should help. (If you have a wall socket)

If the stat is wiping out his TV reception it's probably wiping out his
neighbours as well.

The stat is old and tired and is opening too slowly, eventually it will
fail completely, Get it replaced, HRPC may well have a the part but if
it's part of or even the gas valve itself messing with it unless you are
"competent" is not recommended. Check for suppression components I'd
expect them to be present but might not be adding some will help but not
ultimately cure the problem.

I've got about 7 brand new stats and they all do this..or at least
three..never tracked down which ones are the prime offenders..

Digistats is the way to go.

I'll relegate the old mechanicals to the box of useful bits...

Baxi thermostat destroys Freeview TV picture
 

On Wed, 13 Dec 2006 10:49:11 +0000, The Natural Philosopher wrote:

Dave Liquorice wrote:
On Tue, 12 Dec 2006 12:38:21 -0000, Michael Chare wrote:

Improving your aerial installation through the use of CT100/PF100
cable, and either a screen socket, or a home made socket made from F
Plugs and an F Barrel should help. (If you have a wall socket)

If the stat is wiping out his TV reception it's probably wiping out his
neighbours as well.

The stat is old and tired and is opening too slowly, eventually it will
fail completely, Get it replaced, HRPC may well have a the part but if
it's part of or even the gas valve itself messing with it unless you are
"competent" is not recommended. Check for suppression components I'd
expect them to be present but might not be adding some will help but not
ultimately cure the problem.

I've got about 7 brand new stats and they all do this..or at least
three..never tracked down which ones are the prime offenders..

Digistats is the way to go.

I'll relegate the old mechanicals to the box of useful bits...

I believe it has to do with the dipole in the aerial! If one side is
grounded to the rest of the aerial then you get problems if it is not
(i.e. both ends/side isolated) then all is Ok - so I am told

Nomad

Baxi thermostat destroys Freeview TV picture
 

The Nomad wrote:
On Wed, 13 Dec 2006 10:49:11 +0000, The Natural Philosopher wrote:

Dave Liquorice wrote:
On Tue, 12 Dec 2006 12:38:21 -0000, Michael Chare wrote:

Improving your aerial installation through the use of CT100/PF100
cable, and either a screen socket, or a home made socket made from F
Plugs and an F Barrel should help. (If you have a wall socket)
If the stat is wiping out his TV reception it's probably wiping out his
neighbours as well.

The stat is old and tired and is opening too slowly, eventually it will
fail completely, Get it replaced, HRPC may well have a the part but if
it's part of or even the gas valve itself messing with it unless you are
"competent" is not recommended. Check for suppression components I'd
expect them to be present but might not be adding some will help but not
ultimately cure the problem.

I've got about 7 brand new stats and they all do this..or at least
three..never tracked down which ones are the prime offenders..

Digistats is the way to go.

I'll relegate the old mechanicals to the box of useful bits...

I believe it has to do with the dipole in the aerial! If one side is
grounded to the rest of the aerial then you get problems if it is not
(i.e. both ends/side isolated) then all is Ok - so I am told

you have completely disregarded mains borne interference bypassing the
aerial completely.

Which in my case is the issue.

It gets in EVERYTHING - even the audio amps.
My PABX will ring (some of) the phones too.

Must get a round tuit...

Nomad

Baxi thermostat destroys Freeview TV picture
 

In an earlier contribution to this discussion,
The Natural Philosopher wrote:


I've got about 7 brand new stats and they all do this..or at least
three..never tracked down which ones are the prime offenders..

Digistats is the way to go.

I'll relegate the old mechanicals to the box of useful bits...

Er . . isn't the offending stat part of the boiler - in which case a
digistat isn't an option?!
--
Cheers,
Roger
______
Email address maintained for newsgroup use only, and not regularly
monitored.. Messages sent to it may not be read for several weeks.
PLEASE REPLY TO NEWSGROUP!