NKB Heating LTD

NKB Heating LTD Gas safe registered company based in Hertfordshire

Cast iron radiator install with traditional thermostatic radiator valve and lock shield.
18/07/2025

Cast iron radiator install with traditional thermostatic radiator valve and lock shield.

Install of a muse thermostatic bar mixer diverter shower valve. concrete element Linda barker collection, used to make...
08/07/2025

Install of a muse thermostatic bar mixer diverter shower valve.

concrete element Linda barker collection, used to make a feature wall. Saved the customer from tiling all the bathroom.

Install of a baxi 836 combi boiler, new external gas supply, hive thermostat install and system conversion from open ven...
27/06/2025

Install of a baxi 836 combi boiler, new external gas supply, hive thermostat install and system conversion from open vented. Upgraded pipework in kitchen and airing cupboard. Installed new garden tap, waste pipework and appliance isolation valve for washing machine. Heating system flushed with thorough flush. Temporary electrical supply until second fix done by electrician.

Heating system install using surface mounted copper pipe with chrome munsen rings and chrome pipe covers. Previous pipew...
23/06/2025

Heating system install using surface mounted copper pipe with chrome munsen rings and chrome pipe covers. Previous pipework was buried in concrete with no protection and had multiple leaks.

First and second fix shower room and utility room.
21/06/2025

First and second fix shower room and utility room.

Install of worcester 2000, plug in comfort controls, Worcester magnetic filter, isolation valves for the cold main and f...
30/04/2025

Install of worcester 2000, plug in comfort controls, Worcester magnetic filter, isolation valves for the cold main and flow pipe for future maintenance work. Rear pipework kit used.

Installation stickers and document folder by 👌🏼🔥

Vaillant Ecotec plus boiler service 🐰 🔧 POC leaking into the boiler and failed flue integrity, f75 issues and heavy lump...
31/03/2025

Vaillant Ecotec plus boiler service 🐰 🔧

POC leaking into the boiler and failed flue integrity, f75 issues and heavy lumps in the condense.

Replaced heat exchanger top seal, flue seals, pressure sensor,recharged flat expansion vessel and unblocked the condense. Cleaned electrodes as part of service. Passed flue integrity and safety checks ✅ 🔥

Hydro block removal as the screws could not be removed from the plate heat exchanger on this vaillant Ecotec pro 🐰 Boile...
26/03/2025

Hydro block removal as the screws could not be removed from the plate heat exchanger on this vaillant Ecotec pro 🐰

Boiler cycling while using hot water. Heavy sludge and scale in the plate heat exchanger.

Cleaned out the return pipe, installed new plate heat exchanger and canoe filter. Installed the original hydro block with new washers. Hot water working perfectly 💧 🔥

Jobbing from the last week
08/03/2025

Jobbing from the last week

Install of white column radiators with rt212 trvs. Pipework alterations under the floor.
11/01/2025

Install of white column radiators with rt212 trvs. Pipework alterations under the floor.

F75 fault that was a lot harder due to the access 🤦🏻‍♂️🤠 👷‍♂️ moved the boiler when doing the loft extension and told th...
10/12/2024

F75 fault that was a lot harder due to the access 🤦🏻‍♂️

🤠 👷‍♂️ moved the boiler when doing the loft extension and told the customer it would be fine. Always a good reason to use a gas safe engineer when needing work done or inspected on your boiler.

Replaced pressure sensor, seized pump and charged the expansion vessel. All working again 🔥

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Hertfordshire/
London

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