Blocked plate heat exchanger sludge. Potterton Peforma no hot water. Heatinggeek

WEBVTT
Kind: captions
Language: en

00:00:04.200
okay so on this job here we got this
00:00:09.049 00:00:09.059 where's this a performer for my 3080
00:00:14.119 00:00:14.129 when the customer runs a hot tap the
00:00:18.330 00:00:18.340 flow pipe getting hot it's getting hot
00:00:20.370 00:00:20.380 to the floor so most guys will come in
00:00:23.160 00:00:23.170 here and change the diverter valve we've
00:00:29.130 00:00:29.140 overdone one it's quite involved but I
00:00:34.920 00:00:34.930 find I find the divert valves a lot
00:00:41.639 00:00:41.649 usually the problem it's actually the
00:00:43.440 00:00:43.450 plate gets dropped and then it forces
00:00:45.180 00:00:45.190 its way past the diver so on this boiler
00:00:48.420 00:00:48.430 here I'm gonna show you how to quickly
00:00:50.150 00:00:50.160 descale the plate or at least check it
00:00:53.069 00:00:53.079 for issues so I'm gonna get on with that
00:00:56.520 00:00:56.530 now and it's about a hot past 8:00 in
00:01:00.600 00:01:00.610 the morning
00:01:01.049 00:01:01.059 Oh see how long it takes to get this
00:01:03.030 00:01:03.040 done I'm gonna drain it down from that
00:01:07.410 00:01:07.420 trailer back there then I'm gonna pump
00:01:11.069 00:01:11.079 the vessel once it's drained I say the
00:01:14.249 00:01:14.259 mains from underneath and undo Phillips
00:01:18.539 00:01:18.549 there
00:01:19.820 00:01:19.830 and the Philips at the back there
00:01:26.340 00:01:26.350 Phillips
00:01:28.750 00:01:28.760 as I'm dragging that down the vessel
00:01:41.800 00:01:41.810 there we go just a hair over free cause
00:01:45.410 00:01:45.420 of a bar top see when I unplug it it's
00:01:48.350 00:01:48.360 gonna lose a girl war bit there sorry
00:01:51.580 00:01:51.590 you off okay so the board is
00:01:55.250 00:01:55.260 drained vessels pumped
00:01:57.910 00:01:57.920 so hopefully won't baby gurgling I
00:02:00.730 00:02:00.740 haven't so I do that here then that's
00:02:05.330 00:02:05.340 the screws no loose I'll push it away
00:02:08.050 00:02:08.060 but I can see me sucking her river load
00:02:10.400 00:02:10.410 of waters gonna come out as you can hear
00:02:11.600 00:02:11.610 that one sucking so that one's good
00:02:14.420 00:02:14.430 we're gonna go to this one as well so I
00:02:28.190 00:02:28.200 need to go slowly both hands now I'm
00:02:31.040 00:02:31.050 gonna get that out okay so here's the
00:02:35.870 00:02:35.880 plate heat exchanger out being sort of
00:02:41.360 00:02:41.370 debris in there I'm gonna clean that now
00:02:44.150 00:02:44.160 in the garden okay this is the stuff
00:02:47.390 00:02:47.400 I'll use so make sure you wear gloves
00:02:52.520 00:02:52.530 with this because it will burn you
00:02:54.830 00:02:54.840 really badly hikes here ready to go
00:04:06.020 00:04:06.030 now usually I have a really nice fellow
00:04:08.700 00:04:08.710 that pushes in there so I can just fill
00:04:10.860 00:04:10.870 the funnel right up and we're slowly
00:04:12.870 00:04:12.880 forced it's wait for it I can't find it
00:04:17.130 00:04:17.140 we're changing band and stuff ice
00:04:18.810 00:04:18.820 somewhere other than always probably my
00:04:20.520 00:04:20.530 garage as you can see this one's quite
00:04:23.880 00:04:23.890 blocks most of these have the stop point
00:04:34.050 00:04:34.060 so I'm pour it in the wrong end
00:04:50.650 00:04:50.660 so it's very important that you get this
00:04:52.810 00:04:52.820 stuff out of it afterwards we're lucky
00:04:55.570 00:04:55.580 here so everything outside tap so just
00:04:58.930 00:04:58.940 put the hose onto and brush it for you
00:05:00.670 00:05:00.680 completely
00:06:08.070 00:06:08.080 okay you see this person he stopped now
00:06:15.170 00:06:15.180 [Applause]
00:06:37.389 00:06:37.399 wait stretch best of minds
00:06:40.269 00:06:40.279 all right no that's not effective
00:06:45.270 00:06:45.280 00:06:48.010 00:06:48.020 there's the heat and exactly the same
00:07:10.290 00:07:10.300 00:07:13.070 00:07:13.080 [Music]
00:07:19.480 00:07:19.490 00:07:21.530 00:07:21.540 00:07:37.240 00:07:37.250 okay so give this a good wipe over it's
00:07:43.040 00:07:43.050 the main site that's the heat inside
00:07:45.909 00:07:45.919 okay there's the main side there's the
00:07:50.150 00:07:50.160 heat inside till it sits clean
00:07:54.850 00:07:54.860 so now I'm just gonna apply some grease
00:07:57.740 00:07:57.750 around each of these I'll put my hand in
00:08:00.590 00:08:00.600 to check how the washers feel when the
00:08:01.969 00:08:01.979 boil of the o-rings there feel okay up
00:08:04.100 00:08:04.110 dry them up and some grease on them and
00:08:06.080 00:08:06.090 then pop it back in place that's well
00:08:09.320 00:08:09.330 greased ones and the borders of greased
00:08:11.469 00:08:11.479 so I'm gonna put this back in there see
00:08:13.670 00:08:13.680 the right end goes up right when it's in
00:08:15.590 00:08:15.600 the boiler remember how you took it out
00:08:18.080 00:08:18.090 so you can put it in exactly the same
00:08:19.310 00:08:19.320 way because it can be fiddly and you can
00:08:20.659 00:08:20.669 flip it over the door source without
00:08:22.010 00:08:22.020 realizing so it's back in just gonna
00:08:29.290 00:08:29.300 close this back off close this back off
00:08:33.500 00:08:33.510 now I used to rent one from above one
00:08:35.120 00:08:35.130 from below put the mains on and we see
00:08:38.719 00:08:38.729 if we've cured this for now occasionally
00:08:40.640 00:08:40.650 you won't have cured it straight away so
00:08:43.730 00:08:43.740 what I sometimes do then or why
00:08:45.170 00:08:45.180 generally do hard duty screws take this
00:08:48.050 00:08:48.060 whole domestic hot water flow switch off
00:08:50.329 00:08:50.339 and I'll manually move the pin behind it
00:08:52.790 00:08:52.800 back and forth back and forth back and
00:08:54.140 00:08:54.150 forth so try to clear on debris at the
00:08:55.790 00:08:55.800 bother of our ceiling it doesn't often
00:08:58.820 00:08:58.830 need that though so fingers crossed this
00:09:01.340 00:09:01.350 one won't so I'm just putting water back
00:09:03.410 00:09:03.420 in it in there
00:09:22.240 00:09:22.250 getting there honey 8:45 right now so
00:09:26.600 00:09:26.610 we're filming and doing it is taken 15
00:09:30.380 00:09:30.390 minutes hopefully it doesn't leak I know
00:09:34.010 00:09:34.020 we do safety checks hopefully the board
00:09:35.840 00:09:35.850 is okay remember I've pumped the best
00:09:46.070 00:09:46.080 salt okay sorry that borrow a quarter
00:09:55.760 00:09:55.770 I'll run it I'll get the air out of it
00:09:57.800 00:09:57.810 should set that bar I don't generally
00:09:59.870 00:09:59.880 run board is this a brand new at a bar
00:10:01.700 00:10:01.710 on Hoss
00:10:02.240 00:10:02.250 everyone especially not no performers
00:10:04.640 00:10:04.650 like this is Donna star leak on that
00:10:07.250 00:10:07.260 pump they often leave their mo rings at
00:10:08.900 00:10:08.910 the back so I yeah play it safe popped
00:10:18.500 00:10:18.510 it back in you can't really see that
00:10:29.990 00:10:30.000 I would do the heating and just say now
00:10:39.889 00:10:39.899 I've already got my you guys on there
00:10:54.070 00:10:54.080 and I sure we get that sorted once we
00:10:56.019 00:10:56.029 got there yeah
00:11:03.780 00:11:03.790 and the only valve attached underneath
00:11:06.070 00:11:06.080 here was this one the mains water valve
00:11:12.780 00:11:12.790 I'll just give that pump a blade and
00:11:16.030 00:11:16.040 we're running the heat and right now
00:11:19.980 00:11:19.990 give that pump a blade and we do some
00:11:22.390 00:11:22.400 tests
00:11:37.810 00:11:37.820 mr. fraction over there nothing to be
00:11:40.580 00:11:40.590 concerned about so let's see what the
00:11:50.540 00:11:50.550 00:11:55.090 00:11:55.100 perfect
00:11:57.010 00:11:57.020 let's check the divert turn that right
00:12:02.269 00:12:02.279 down the fraction up lay lose what they
00:12:05.660 00:12:05.670 hate them the down the flow once this
00:12:08.690 00:12:08.700 gets cold I'm gonna run that hot tap
00:12:11.030 00:12:11.040 again hopefully this pump to the calm
00:12:15.410 00:12:15.420 down once it gets cold I'll uh run the
00:12:18.290 00:12:18.300 hot tap again we'll see where we go from
00:12:21.019 00:12:21.029 00:12:21.610 00:12:21.620 okay so I left that turned right now
00:12:24.560 00:12:24.570 I've got the boiler cool this pipe is
00:12:26.630 00:12:26.640 now cool and then I run the hot tap and
00:12:29.630 00:12:29.640 I'll turn the boiler on
00:12:30.680 00:12:30.690 so it's Happy's running what this pipe
00:12:33.710 00:12:33.720 called I've throwing it on for heating
00:12:36.920 00:12:36.930 and keeping this low and the moment they
00:12:38.900 00:12:38.910 went to fire I just turned it off
00:12:40.940 00:12:40.950 because I knew it was cold enough turn
00:12:45.890 00:12:45.900 it on for hot water I'll hold this pipe
00:12:53.030 00:12:53.040 let
00:12:59.840 00:12:59.850 the
00:13:03.930 00:13:03.940 it stayed cold to do the combustion
00:13:06.750 00:13:06.760 alysus as well
00:13:10.970 00:13:10.980 let's have to tear the rubbish there
00:13:21.840 00:13:21.850 pipes cold so we fixed that doesn't
00:13:25.050 00:13:25.060 either diver was just the plate I
00:13:26.900 00:13:26.910 remember even if this does get hot then
00:13:29.460 00:13:29.470 I would then take off the front water
00:13:32.100 00:13:32.110 section that the mess Cold War flow
00:13:34.250 00:13:34.260 sensor bit of the diaphragm I take that
00:13:36.450 00:13:36.460 bit off and move that spindle back and
00:13:37.950 00:13:37.960 forth and use you don't fix it this is
00:13:40.140 00:13:40.150 fixed this is not going hot at all
00:13:41.850 00:13:41.860 avoidance it's 60 degrees and as you can
00:13:44.280 00:13:44.290 see I can hold this with no problem at
00:13:47.220 00:13:47.230 all
00:13:47.540 00:13:47.550 it's not hot at all and on budget ratio
00:13:53.240 00:13:53.250 so that's all good
00:13:56.450 00:13:56.460 pumps quiet and down so this is all
00:14:00.060 00:14:00.070 fixed let me show you what I used here
00:14:03.680 00:14:03.690 the spirits the salts and grease
00:14:10.940 00:14:10.950 screwdrivers a gauge a pump for the
00:14:16.890 00:14:16.900 vessel and my analyzer that's it that's
00:14:23.460 00:14:23.470 not a lot of times is it that's all
00:14:25.250 00:14:25.260 that's all it was leaving an LDS I
00:14:30.540 00:14:30.550 almost forgot to use that
00:14:39.879 00:14:39.889 you
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