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Subs Plumbing and Heating August Diary

Week 1 in August

Installing a Glow Worm Ultimate 30c

Subs plumbingStelrad softline radiator installation


We removed a back boiler and installed Glow Worm Ultracom3, 30c combi boiler in the airing cupboard, with 10 years manufacturer warranty. We also replaced all the radiators in the same property with Stelrad soft line radiators and installed Drayton RT212 thermostatic radiator valves which help you save energy by turning off heat in the rooms you do not use. The previous system was open vented and some radiators many of these were slugged up putting unwanted strain on the heating system. Rather than having a machine power flush the landlord decided to replace all radiators. We installed Adey magnaclean professional2 magnetic filter and  Fernox lime scale reducer to keep the system running smoothly. We also carried out a magnaclense flushing to get rid off sludge in the pipe work




Worcester Bosch 30i installation


Worcester Bosch boiler installation

We also replaced a Worcester SI none condensing combi  boiler with Worcester Bosch 30i ErP condensing combi boiler with 6 year manufacturer warranty. Installed Worcester Bosch green star magnetic filter and Comfort1 wireless programmable room thermostat. We used Kamco CF90 power flushing machine. This is a 2 bed mid terrace house , so that we set up the heating out put to 15 kW (factory set to 24 kW)to save money on gas bill.

power flush

We have carried out few toilet repairs across Leicester. We used Viva Skylo bottom entry fill valves and syphon. These valve comes with 10 year warranty. Very reliable and  easy to install.  Issued annual  landlords gas certificate .

Week 2

We’ve supplied and fitted Heatrae Sadia Megaflo unvented 210 litre cylinder in Kibworth Harcourt.

Hot water deliver is amazing. In the bath it is over 22 liter per minute and all other hot water taps in the region of 18 – 20 liters per minute.

The power behind high performance, invigorating showers, fast-filling baths and sinks. MegaFlo unvented cylinder.

Our customer was very satisfied with flow rate and high quality workmanship.

Also replaced the boiler with an award winning Worcester Bosch 30CDi classic system boiler.

It’s a large detached house with around 17 radiators. So we put an additional 12 Liter expansion vessel to take care the heating side too. We also installed Worcester Bosch 28 mm magnetic filter and Fernox 22 mm lime scale reducer. To comply with Building regulations installed new thermostatic radiator valves and upgraded programmer to Nest intelligent third generation programmable thermostat. Power flushed central heating system and checked with FLIR thermal imaging camera
Power flush

We repaired a Worcester Bosch 28i junior boiler , which was not providing hot water. Replaced secondary plate to plate heat heat exchanger and auto air vent and

recharged expansion vessel.

We attended and out of hour emergency plumbing repair call out to repair a burst pipe in out door house. It was an incoming main cold water lead pipe. We renewed lead lock and capped off the supply as requested by the customer. Job was initiated at 2110 and completed by 2230.

We carried out 4 annual Landlords gas safety checks and installed an outside garden tap in Thurmaston. We also carried out a  boiler in Blaby. Replaced a pressure sensor. Installed  kitchen taps in Oadby and Rushey Mead. We visited a house in Rushey Mead to remove radiators for plastering and painting. We will be going back to put them back on when decoration completed. It was a very busy week for our engineers.

Sunday we assisted a customer in Scrptoft. We fixed the overflowing hot water tank.Replaced float valve. Emergency plumber attended a property in Wigston and fixed an uncontrollable hot water tap by replacing tap gland and installed new isolation valves for future use.


Week 3

We serviced a Worcester Bosch 37 cdi boiler in Belgrave area and found out the gas line was undersized. Renewed section of gas line and upgraded to 28 mm  to increase gas flow rate. Now the boiler is got 19 mm inlet working pressure and the hot water performance is increased. We repaired a very old combi boiler in the Bl;aby area in Leicester. We also helped a customer in Narborough and replaced toilet fill valve and syphon. We installed Viva Skylo Bottom Entry Fill Valve Brass Shank and  Viva Skylo Button & Handle Dual Flush Valve .

Two of our engineers had trained with Worcester Bosch and Glow Worm Boilers. They gained valuable experience on Worcester Bosch CDi classic  series, Glow Worm Energy and Ultimate models.

We were called to isolate a gas hob in Wigston, ready for new kitchen installation. This was an emergency call out and the job was completed on the same day. We helped to remove radiators for plastering in Wigston area. We will be going back to put the radiators back on the wall when the work is completed. A customer in Great Glen called us to check her  incoming cold water flow rate issue. Incoming mains cold water  was  measuring below 10 liters per minute. We checked for leaks and main stop tap and advised our customer to contact Severn Trent to investigate it further.

W serviced a 11 year old Vaillant eco tec plus boiler in Oadby. We replaced G10 Burner seal on this boiler.

Vaillant Boiler service
Vaillant Boiler service

We attended another boiler service in Aylestone in Leicester. That was a Baxi Duo-Tec boiler over 5 years old We replaced electrode and burner seal.

Baxi Boiler service
Baxi Boiler service

Baxi Boiler service

Our customer from Sileby called us to fix his 2 toilets. Both toilets were fixed on first visit. As usual we installed Viva Skylo industry leading toilet spare producers. A brand for the professional plumbers with up to 10 year manufacturer warranty. We carry toilet spares and we aim to fix it on the first visit.

Another customer from Great Glen called us to fix his contentiously filling toilet. Most new built houses have really bad quality sanitary ware. Again job was done on the first visit.

Week 4


We attended a house in Beamount Leys to install a radiator in the bath room. Also installed a new stop at the same property.

A customer in Humberstone called us to temporary remove 2 radiators for decorating. We will be going back to reinstall radiators and  and Adey professional 2 magnetic filter installation.

We replaced a faulty electric shower in Oadby. Re-siliconed a bath and shower in Clarendon Park  Carried out a Worcester Bosch boiler service in Syston and installed Adey professional 2 magnetic filter during service for the customer.

Our plumber and electrician team  installed an electric shower from scratch. They put new circuit breaker , 10 mm cable and plumbing for electric shower in Braunstone Town.

We attended a property in Wigston for Baxi boiler service. The boiler is situated in loft, our customer asked us to put a additional filling loop in the airing cupboard. We installed a pressure gauge and filling loop so that they can re pressurise the boiler easily.

We were called out to repair a  leaking boiler in Hinckley. When arrived we found out, auto air vent was leaking onto Honeywell two port valve which was shorting out electric and blowing fuse. Replaced expansion vessel and auto air vent. Serviced boiler, replaced burner seal, electrode and flame sensing probe. Also installed an additional 12 litre external vessel expansion vessel.

Baxi Boiler servicegate val

Another DIY disaster job in Leicester. Our customer replaced a programmer and the original back plate and installed a new timer. He put the wires incorrectly which caused the fuse board to trip. Here is the tow pictures

Incorrect Wiring by DIY customer                    Correct Wiring


We installed a designer radiator in Aylestone area.

designer radiator installation

We carried out few plumbing jobs for a customer in Stoneygate. Re installed radiator, replaced 2 leaking thermostatic valves, installed drain off valve, replaced float valve and Honeywell three port valves. Heating system works fine now.

In Oadby replaced kitchen and basion taps. Our out of hour call out plumber repaired a whistling basin tap in Oadby on Saturday.

We needed the shower and bath re-sealing, and these guys did a superb job of it! Courteous, professional, and friendly. The price was fair given the time and materials needed. Would definitely recommend.

Martha Bean -

Toilets were leaking and subs came out to my property within an hour. Very polite and friendly. Fantastic job of replacing internal cistern components and valves for a good price. Very impressed and will definitely use their services again.

Malcolm Harrison -

We're certified & assessed for peace of mind

Which? Accredited Plumbers
TrustaTrader plumber
Gas safe registered engineer
ThreeBest Rated plumbers
Rated plumber in Leicester
Rated Plumber in Leicester

Our complaints procedure is backed by Which? Any call backs we'll come back to fix it.