Plume management kits and fecking scumbags

[Adsibob]

Due to the burglary we recently experienced, we've recently installed some additional security cameras to monitor our side passage, which is where the scumbags broke into our house. The problem is that being a semi detached house, the side passage is also where the boiler sends its exhausts. Everytime the boiler is on, i get a tonne of alerts on my phone, triggered by the camera's PIR sensor. I have turned down the sensitivity on the camera and tried to restrict the motion detection zone, but the problem persists. This could be partially solved by installed a plume management kit to divert the exhaust plume upwards. I say partially, because the neighbouring property's boiler is also contributing to the problem and so I'd have to persuade them to do the same, which seems unlikely.

 

Question I have is what is the difference between these two plume management kits:

 

1. https://viessmanndirect.co.uk/Catalogue/Flues/Flue-File/Flue-60mm-Plume-Management-Kit-7373238
2. https://viessmanndirect.co.uk/Catalogue/Flues/60100mm-Balanced-Flue/Horizontal-Flue/Flue-60mm-Plume-Mangement-Kit-Reduced-height-7946889

The latter is described as "r3educed height" but they both come with 2 x 1 metre pipes, so i think they both provide a 1m extension.

 

A separate question is whether i have to install the top 87 degree bend to point outwards perpendicularly from my wall (as shown in the image below), or whether I could angle that in any direction to suit the wind direction, which is usually westerly I believe. This would angle the flue exhaust in the direction of the camera, but given it'll have sufficient clearance, the white gasses should now float over the camera and not in front of it. 

 

 

[Nickfromwales]

The reduced height one seems to replace the other, as that is marked (superseded)? Clear as mud though, in fairness  

 

1 hour ago, Adsibob said:

A separate question is whether i have to install the top 87 degree bend to point outwards perpendicularly from my wall (as shown in the image below), or whether I could angle that in any direction to suit the wind direction, which is usually westerly I believe. This would angle the flue exhaust in the direction of the camera, but given it'll have sufficient clearance, the white gasses should now float over the camera and not in front of it. 

If it is turned to be flat against the side of the building, eg completely parallel with the wall, then you will eventually get marking appearing on the wall as the flue discharge (plume) is mildly acidic.

 

Exhaust. The condensate expelled from a condensing boiler is acidic, with a pH between 3 and 4. Condensing boilers require a drainpipe for the condensate produced during operation. This consists of a short length of polymer pipe with a vapour trap to prevent exhaust gases from being expelled into the building.

 

 

I'd angle it 45 degrees off perpendicular, if possible. 

[marshian]

4 hours ago, Adsibob said:

Due to the burglary we recently experienced, we've recently installed some additional security cameras to monitor our side passage, which is where the scumbags broke into our house. The problem is that being a semi detached house, the side passage is also where the boiler sends its exhausts. Everytime the boiler is on, i get a tonne of alerts on my phone, triggered by the camera's PIR sensor. I have turned down the sensitivity on the camera and tried to restrict the motion detection zone, but the problem persists. This could be partially solved by installed a plume management kit to divert the exhaust plume upwards. I say partially, because the neighbouring property's boiler is also contributing to the problem and so I'd have to persuade them to do the same, which seems unlikely.

 

Question I have is what is the difference between these two plume management kits:

 

1. https://viessmanndirect.co.uk/Catalogue/Flues/Flue-File/Flue-60mm-Plume-Management-Kit-7373238
2. https://viessmanndirect.co.uk/Catalogue/Flues/60100mm-Balanced-Flue/Horizontal-Flue/Flue-60mm-Plume-Mangement-Kit-Reduced-height-7946889

The latter is described as "r3educed height" but they both come with 2 x 1 metre pipes, so i think they both provide a 1m extension.

 

A separate question is whether i have to install the top 87 degree bend to point outwards perpendicularly from my wall (as shown in the image below), or whether I could angle that in any direction to suit the wind direction, which is usually westerly I believe. This would angle the flue exhaust in the direction of the camera, but given it'll have sufficient clearance, the white gasses should now float over the camera and not in front of it. 

 

 

 

I have plume management kit on my viessmann boiler 1m height because I wanted to fit a car port on the side of the house - old boiler I couldn't get a plume management kit so boiler replacement was the only option

 

It's 90 deg to the house wall - It also has a cctv camera looking down that wall to see the garage

 

 

cctv camera is just below the 5.2 on the image above looking back at the attached garage

 

You can clearly see the plume management pipe in white

 

Only when I'm doing the HW cycle does the camera pick up the plume (DHWP so it does it at 80 deg flow and max kW)

 

Rest of the time there is no plume at all because the flue temp is 24-26 deg C (Flow temp max 32 deg C return temp ~26 Deg C)

 

I think if you have issues with excessive plumes from the flue then you might be running the boiler a bit hotter than you need to

[Adsibob]

23 hours ago, marshian said:

Rest of the time there is no plume at all because the flue temp is 24-26 deg C (Flow temp max 32 deg C return temp ~26 Deg C)

 

I think if you have issues with excessive plumes from the flue then you might be running the boiler a bit hotter than you need to

Sounds like you are heating your home with low temperature heating. That is what a Viessmann boiler is best at.

Unfortunately, the idiot who installed my boiler, despite having recently got his Viessmann certification, didn’t think to do this even though our home is 100% UFH. So we have the boiler heating up very hot water (I think it’s set to 75C) and sending that to the UFh manifold where it gets mixed with cold water to send 33C water around the UFH loops!

 

 

[Adsibob]

22 hours ago, marshian said:

 

 

 

Rest of the time there is no plume at all because the flue temp is 24-26 deg C (Flow temp max 32 deg C return temp ~26 Deg C)

 

I think if you have issues with excessive plumes from the flue then you might be running the boiler a bit hotter than you need to

 

It beggars belief that this guy had recently done his Viessmann training. He showed me the certificate and all!

[marshian]

1 hour ago, Adsibob said:

Sounds like you are heating your home with low temperature heating. That is what a Viessmann boiler is best at.

Unfortunately, the idiot who installed my boiler, despite having recently got his Viessmann certification, didn’t think to do this even though our home is 100% UFH. So we have the boiler heating up very hot water (I think it’s set to 75C) and sending that to the UFh manifold where it gets mixed with cold water to send 33C water around the UFH loops!

 

 

 

Jesus - that's shocking - surely the set up can be easily changed to a lower flow temp is it a combi, system or heat only?

[Adsibob]

8 hours ago, marshian said:

 

Jesus - that's shocking - surely the set up can be easily changed to a lower flow temp is it a combi, system or heat only?

My understanding is that whilst it can be changed, it’s not completely straightforward. The issue for me is finding a heating engineer that I can trust. Clearly there are a lot of people in the industry that don’t have the requisite knowledge, and so even if well intentioned, they just make big mistakes.