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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Can anyone help me find a RF Cylinder Thermostat.
I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks |
#2
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![]() "Gaz" wrote in message ... Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks A bit OT but I wish such a gadget had been available when I had Cylinder stat problems a while back. Having unplugged the stat at the boiler end I removed it from the cylinder and then managed to drop it. Leaning into the airing cupboard with a steadying hand on one of the copper supply pipes I picked up the stat with the other hand. The pain of the shock was intense as was the surprise. It seemed to take an awful long time to overcome the muscle contractions to release my grip! Lessons learned 1. Never rely on someone's labelling 2 .Always switch off the mains supply when working on mains equipment in situ. Richard. |
#3
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In article , Richard hawkinsfamily3
@DIGITbtinternet.com writes "Gaz" wrote in message ... Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks A bit OT but I wish such a gadget had been available when I had Cylinder stat problems a while back. Having unplugged the stat at the boiler end I removed it from the cylinder and then managed to drop it. Leaning into the airing cupboard with a steadying hand on one of the copper supply pipes I picked up the stat with the other hand. The pain of the shock was intense as was the surprise. It seemed to take an awful long time to overcome the muscle contractions to release my grip! Lessons learned 1. Never rely on someone's labelling 2 .Always switch off the mains supply when working on mains equipment in situ. Richard. And make sure that ALL the mains in the house is RCD protected!... -- Tony Sayer |
#4
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And make sure that ALL the mains in the house is RCD protected!...
With lots of exceptions, of course! When you do get a shock, would you really want the lights to go out? Far more people are killed by fires when they can't see to escape than are electrocuted. Christian. |
#5
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On Tue, 08 Jun 2004 11:21:27 GMT, "Gaz" wrote:
Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks Try Climate Center. These are one of the Wolseley companies like Plumbcenter etc. www.climatecenter.co.uk They have branches but will take orders over the phone and ship. they have a whole load of Danfoss stuff and I am sure could order one of these ..andy To email, substitute .nospam with .gl |
#6
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![]() "Christian McArdle" wrote in message . net... And make sure that ALL the mains in the house is RCD protected!... With lots of exceptions, of course! When you do get a shock, would you really want the lights to go out? Far more people are killed by fires when they can't see to escape than are electrocuted. Christian. Well I must admit for a few seconds I really thought my light was going to go out ! RCD or no RCD there is no safety better than hearing the satisfying clunk when throwing the main circuit breaker. Richard. ( shaken but still stirring) |
#7
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Well I must admit for a few seconds I really thought my light was going to
go out ! Many people manage to touch 230V mains. Vanishingly few are seriously injured by it. It's probably most likely to kill you if you are (a) unlucky, (b) old or infirm or (c) up a ladder. RCD or no RCD there is no safety better than hearing the satisfying clunk when throwing the main circuit breaker. Oh yes. I always do work with the main DP isolator off. I don't rely on an SP MCB to do the job. Except once (never again), when I illadvisedly left the power on so that my wife could complete some task. I then forgot about it, and rewired a live light fitting up a ladder. Luckily, my standard technique is to be so paranoid about shocks that I never touch the live anyway, so it was only after I had finished and put the bulb in that I realised that the power was still on! Christian. |
#8
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![]() "Gaz" wrote in message ... Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? You may have difficulties using these. The tank and plumbing absorb an awful lot of the r.f. transmitter energy so placing the receiver to work reliably can be a nightmare. |
#9
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![]() "Christian McArdle" wrote in message . net... Well I must admit for a few seconds I really thought my light was going to go out ! Many people manage to touch 230V mains. Vanishingly few are seriously injured by it. It's probably most likely to kill you if you are (a) unlucky, (b) old or infirm or (c) up a ladder. RCD or no RCD there is no safety better than hearing the satisfying clunk when throwing the main circuit breaker. Oh yes. I always do work with the main DP isolator off. I don't rely on an SP MCB to do the job. Except once (never again), when I illadvisedly left the power on so that my wife could complete some task. I then forgot about it, and rewired a live light fitting up a ladder. Luckily, my standard technique is to be so paranoid about shocks that I never touch the live anyway, so it was only after I had finished and put the bulb in that I realised that the power was still on! Christian. Please don't dismiss the dangers of a 230 V mains shock so lightly. A brief touch or brushing contact is quite survivable in most cases. However the event I described was far more serious. In the hot and sweaty environment of an airing cupboard with moist hands, one holding tightly to an earthed copper pipe and the other in an involuntary tightened grip round a live thermostat is a different kettle of fish entirely. The effort of will to gather the strength to let go was nearly overwhelming. Don't go there it is not pleasant. Richard. |
#10
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On Tue, 8 Jun 2004 19:42:54 +0100, "G&M" wrote:
"Gaz" wrote in message ... Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? You may have difficulties using these. The tank and plumbing absorb an awful lot of the r.f. transmitter energy so placing the receiver to work reliably can be a nightmare. There is an alternative product, the WP75-RF, which is a programmer for the hot water as well. This one has a remote sensor which you fit to the cylinder and then mount the main unit a little way away in the airing cupboard. This would avoid most of the influence of the cylinder. ..andy To email, substitute .nospam with .gl |
#11
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Please don't dismiss the dangers of a 230 V mains shock so lightly.
What I meant was that the chances of death from electrocution are low enough to be dwarfed by the chances of death from failure to find the exit in a fire. Therefore, the statement that RCDs should be used to protect the entire house is not the safest method. It is safer not to protect the lighting circuit. Christian. |
#12
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On Tue, 8 Jun 2004 14:51:27 +0000 (UTC), "Richard"
wrote: Well I must admit for a few seconds I really thought my light was going to go out ! RCD or no RCD there is no safety better than hearing the satisfying clunk when throwing the main circuit breaker. Hi, A neon screwdriver is useful in these situations, even if used to unscrew the supposedly dead terminals. cheers, Pete. |
#13
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On Wed, 09 Jun 2004 11:45:43 +0100, Pete C
strung together this: A neon screwdriver is useful in these situations, A neon screwdriver is never useful. -- SJW A.C.S. Ltd |
#14
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![]() "Lurch" wrote in message ... On Wed, 09 Jun 2004 11:45:43 +0100, Pete C strung together this: A neon screwdriver is useful in these situations, A neon screwdriver is never useful. Oh I think it is sometimes. The problem is you can't always tell when it's being useful and when it isn't. If it lights up, it's being useful. If it doesn't... well, who knows. My favourites were the older types where they would come to bits (they don't now) and you could replace those strange bits and pieces inside with, well, anything you liked really! -- Bob Mannix (anti-spam is as easy as 1-2-3 - not) |
#15
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On Wed, 9 Jun 2004 12:20:16 +0100, "Bob Mannix"
strung together this: A neon screwdriver is never useful. Oh I think it is sometimes. The problem is you can't always tell when it's being useful and when it isn't. If it lights up, it's being useful. If it doesn't... well, who knows. And also when it's illuminated but not actually in contact with any thing live. As a general rule; Neon on = Live, or possibly not, it depends. Neon off = Not live, or possibly it is, who knows? -- SJW A.C.S. Ltd |
#16
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In article , Christian
McArdle writes And make sure that ALL the mains in the house is RCD protected!... With lots of exceptions, of course! When you do get a shock, would you really want the lights to go out? Far more people are killed by fires when they can't see to escape than are electrocuted. Christian. Quite frankly I'd MUCH prefer the house lights to go out rather than my lights!. If you'd had the same experience as I once had you wouldn't even be arguing the point!.... -- Tony Sayer |
#17
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In article , Lurch theoriginallurch@
tiscali.co.uk writes On Wed, 09 Jun 2004 11:45:43 +0100, Pete C strung together this: A neon screwdriver is useful in these situations, A neon screwdriver is never useful. -- SJW A.C.S. Ltd No because like the original poster I didn't know quite what was lurking behind my bloody airing cupboard either!.... -- Tony Sayer |
#18
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#19
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On Wed, 09 Jun 2004 21:28:42 +0100, Pete C
wrote: On Wed, 09 Jun 2004 11:16:37 GMT, (Lurch) wrote: On Wed, 09 Jun 2004 11:45:43 +0100, Pete C strung together this: A neon screwdriver is useful in these situations, A neon screwdriver is never useful. Maybe... I can see how it would give a false positive but not a false negative. Very easily. If the neon is broken for example or a poor connection, .... I'd agree that it's much better to test connections with a lamp before starting work. cheers, Pete. ..andy To email, substitute .nospam with .gl |
#20
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On Wed, 09 Jun 2004 21:28:42 +0100, Pete C
strung together this: A neon screwdriver is never useful. Maybe... I can see how it would give a false positive but not a false negative. I'd agree that it's much better to test connections with a lamp before starting work. Erm, because they're crap and don't work they could give a false anything. Don't use them, they're worse than useless. -- SJW A.C.S. Ltd |
#21
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On Tue, 08 Jun 2004 11:21:27 GMT, "Gaz" wrote:
Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks Whats RF ?? Stuart -- "YESTERDAY is history,TOMORROW is a mystery,TODAY is a gift That is why it is called the present " |
#22
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In article ,
Richard wrote: A bit OT but I wish such a gadget had been available when I had Cylinder stat problems a while back. Having unplugged the stat at the boiler end I removed it from the cylinder and then managed to drop it. Leaning into the airing cupboard with a steadying hand on one of the copper supply pipes I picked up the stat with the other hand. The pain of the shock was intense as was the surprise. It seemed to take an awful long time to overcome the muscle contractions to release my grip! An RF 'stat doesn't get rid of the mains 'problem' - simply moves it to a different location. -- *If a mute swears, does his mother wash his hands with soap? Dave Plowman London SW 12 RIP Acorn |
#23
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In article ,
Stuart wrote: Whats RF ?? Wireless. Like a wireless doorbell. Only hopefully quieter. And more reliable. If only. -- *The average person falls asleep in seven minutes * Dave Plowman London SW 12 RIP Acorn |
#24
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On Sun, 13 Jun 2004 15:22:49 +0100, Stuart wrote:
Whats RF ?? Radio Frequency or in more descriptive terms when applied to appliances "wireless", "cordless" etc -- Cheers Dave. pam is missing e-mail |
#25
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![]() On Tue, 08 Jun 2004 11:21:27 GMT, "Gaz" wrote: Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks Have a word with RKM Heating Controls at http://www.rkm-heating-controls.co.uk/shop/index.html Although I can't this particular item listed on their website, they're sure to be able to get it for you. -- Cheers, Set Square ______ Please reply to newsgroup. Reply address is invalid. |
#26
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On Sun, 13 Jun 2004 15:22:49 +0100, Stuart
wrote: On Tue, 08 Jun 2004 11:21:27 GMT, "Gaz" wrote: Can anyone help me find a RF Cylinder Thermostat. I have found a danfoss model (CET B-RF) but I cant find a retailer who sells them? Does anyone else make a rf cylinder stat (to avoid the wiring) - or anyone know of an online retailer for the item? thanks Whats RF ?? Radio frequency...... aka wireless Stuart ..andy To email, substitute .nospam with .gl |
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