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trvs
The Sony DCR-TRV900 was a DV tape camcorder released by Sony in 1998, with an MSRP of USD $2699. It was intended as a high-end consumer camera, more portable and less expensive than the top-of-the-line DCR-VX1000. It became one of several Sony and Canon models popular in late-'90s desktop video production, delivering quality comparable to then-dominant analog Betacam hardware at a fraction of the cost. In 2002, Sony replaced the TRV900 with the somewhat less well-received DCR-TRV950.
The camcorder had three 1/4-inch CCDs, which provided an exceptionally high-quality video image for a handheld camcorder of the period. It also had a 3.5-inch LCD screen, a color viewfinder, a 12x optical zoom, a 48x digital zoom, and a manual focus ring. (Often overlooked in consumer camcorders, this feature allows you to focus using a mechanical ring around the lens, offering precise control.) The camcorder included a FireWire port for transferring video to a computer.
At the time, Sony had a pattern of releasing "professional" upgraded versions of their most popular consumer cameras, with the same chassis shape but made from more durable materials and in a darker color. Extra features included XLR inputs and the ability to record in the higher-grade DVCAM format. The TRV900's pro equivalent was the DSR-PD100, released in 2000; the TRV950's was the DSR-PDX10.
Would like some help please as my Drayton Wiser system is a mess.
I had 2 TRVs in the lounge, one in the main bedroom, the rest of the house - 6 other radiators and 2 bathroom towel radiators are just normal valve s. We live in a 4-bed, 3 storey house, as converted loft. Common problems were...
Hi everyone, I'm looking for some advice please.
My system has 5 Drayton Wiser TRVs. There are 8 rads over 3 storeys and a 170l unvented cylinder. One of the attic rads is in the same zone as the cylinder so just has a "dumb" TRV on it. The two bathroom rads also remain without TRVs and I...
All the corner valves I can find seem to be random chinese valves of suspicious quality.
Are there and good quality corner TRV valves out there?
It looks like the major brands like drayton and danfloss only make angled and straight valves but not corner. Any thoughts welcome!
Hi All,
Thanks for your time.
Planning a complete house refurb, where the utility/WC/bathrooms sit right next to the riser which will take the primary up to the cylinder in the loft. It would be easiest to take these towel rads off this primary. All the other rads are on the opposite side of...
hi all some advice
combi boiler is heating water and heating comes on fine. its an ecotec plus - vaillant
Issue - Pressure is way to high, sits at 3.3 and goes right up to 3.7 when on. im worried something bad will happen soon.
im not sure when it started, but been like this for a month or...
I installed 2 sets of TRVs on my radiators in the front room but not convinced they make the radiators as hot as they could be if they were fitted with ordinary valves. They are set to the hottest position. Any clues?
Hi, I have a Worcester Bosch greenstar 25si boiler and wonder if I need to have at least one radiator always on?
I read somewhere that I can have TRVs on all the radiators if the boiler has a “flowmeter”. In my case the always on radiator is in the bathroom. Can I have TRVs on all the radiators...
I have a 225cm wide, 45cm high radiator on a standard vented, 8mm microbore two-pipe, fully pumped system.
I am getting rid of its old twin entry radiator valve to install a trv, so I need to decide where to position it and the lockshield.
Easiest option would be TBSE (top-bottom, same end) on...
Can specific makes and types of trv be noisy. I ask as have recently installed some new rads using Pegler Mistral II, 2 of which both in the kitchen are noisy. I have another installed in the utility room next door and that is fine. The hiss is quite noticeable but the slightest of tweaks of...
Does anyone know of programmable TRVs that would not look out of place on period cast iron radiators?
Even finding regular TRVs is tricky, all the ones that "look good" seem to be very expensive and very good quality.
Trvs noisey when operated. Could these likely lead to noise in the system when they shut off on there own?
1605000744
The noisey ones are on the return there bio directional valves but probably not very good fit on the return.
Hi,
I recently had new radiators installed with new Drayton RT212 TRVs. (Also new boiler etc) Since the plumber has left we have found that most of the radiators won't heat up at all unless they are set to 5 or 6 despite the room being cold. I'm an electrician so I know that everything is...
Hi,
I've become a bit obsessed with understanding how my heating and hot water system works. I'm a total novice but I've just become genuinely interested and have been watching loads of Youtube videos and read a book on 'Basic Plumbing' recently. It'd be good to bounce some questions off people...
Have 16 cast iron rads in an old cottage and have been suffering for several years with brass TRVs I bought from a period house store. They look great but have been totally unreliable and around 6-8 have either failed or leaked or both.
I'm looking for something to replace them that matches the...
Hi.
Having problems with these rad valves. The chrome type fitted to acova column radiators in a renovation project. Ex-plumber here but been out the game for 15 years.
Basically, they ‘work’ when heating starts from cold but then trv shuts off and never cuts back in. So for example - heating...
Hi guys, new here with just a little query.
I have old TRVs on my rads which im 99% sure are pre-jarrassic... Almost...
Either way they are not working as they should as most will not come on unless fully turned up in winter, which hasnt been a prob till now when ive decided im tightening up the...
Evening all,
Could someone please clarify this question for me? My interpretation of the current situation is that since Boiler Plus omitted to reintroduce the requirement that all new boiler installs need TRVs on the rads it has been recognised by the EU EPBD and the Government's Domestic...
I Need to fit 19 new TRVs on my system as the old ones are pretty shot. Some are alot newer on the lower floor but I think it's best to fit all new TRVs and Locks.
Which TRV would you guys go for. I want something decent and reliable. Happy to spend upto around 20 a set.
Drayton 4 come up...
"The only point to remember is if radiators with lockshields in the flow require bleeding, the heating may need to be turned off first. If the system is a vented low pressure type with header tanks, opening the bleed valves may result in air being drawn in rather than expelled." Is this correct...
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