ProTherm

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Trusted Plumbing & Heating specialists serving Kent & South East London since 1989. Contact us today for a free quote.

Gas Safe registered experts in boiler installations, servicing, repairs, central heating, plumbing and 24/7 emergency call-outs. The logos alongside are valuable assurances of the quality of workmanship you can expect from ProTherm. Please do feel free to check us out by calling Gas Safe (0800 408 5577). We also have a 'No Call Out Charge' policy, but do apply a diagnostic fee on any plumbing or heating faults found if work is not required by one of our engineers. We offer a vast range of heating products to suit every situation. Everything you need to create a warm and comfortable environment, including...

Servicing
Design and Installation
Maintenance Contracts
Repairs
Fault Finding
Landlord Gas Safety Checks

We are also specialists in the Power Flushing of old heating systems and the repair of all makes of boiler... including Potterton, Worcester, Vaillant, Ideal and Ferolli to name but a few. We also carry flue gas analysers to carry out performance checks, with comprehensive read-outs on your system to establish how well it is performing. Main work undertaken
Boiler Installation, Boiler servicing/repairs, Central Heating - Gas - Installation/Servicing, Central Heating Engineer, Gas Cooker Installation, Gas Meter Relocation, General Plumbing, Landlord Gas Certificates/Safety Checks, Plumber, Plumbing Merchants, Plumbing Repairs, Power Flushing, Radiators/Valves/Thermostats Installed/Replaced, Shower Installation/Repair, Thermal Dynamics, Under Floor Heating, Unvented Hot Water Cylinders, Water Leak Detection, Water Supply Pipe Repairs

18/10/2026

Another Boiler Installation Completed in Orpington! 🔥 (Before & After)

This week, the ProTherm team attended an emergency call-out for a lovely 90-year-old lady in Orpington who had been left without heating or hot water.

After diagnosing a leak on the main heat exchanger, we determined that the existing boiler was beyond economical repair. We replaced it with a Worcester Bosch Greenstar 1000 30kW combi boiler, alongside a new boiler filter and a full central heating power flush. Giving the customer a fresh start with a new, efficient heating and hot water system.

✅ New Worcester Bosch boiler
✅ Boiler filter installation
✅ Full system power flush

Cleaning the existing heating system is an important part of a quality boiler installation. Following the manufacturer's installation requirements helps protect the new boiler and maintain the applicable manufacturer's warranty. 🛠️

It's been a busy couple of weeks for the ProTherm team, but we're proud to have fitted this job in before winter fully kicks in, ensuring our customer can enjoy reliable heating and hot water when she needs it most!

At ProTherm Plumbing, it's not just about installing boilers. It's about looking after our customers, delivering quality workmanship and making sure their homes are ready for winter. ❤️

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing

15/10/2026

WHY DO WE RECOMMEND A MAGNETIC BOILER FILTER?

Did you know that sludge and debris can build up inside your central heating system over time?

As radiators and pipework corrode, tiny iron particles circulate around your system. If left unchecked, this debris can build up inside your boiler, potentially affecting performance and leading to costly repairs.

That's why ProTherm Plumbing recommends fitting a magnetic filter to help protect your heating system! 👇

✅ Helps protect your boiler – captures magnetic particles before they can build up inside key components.
✅ Helps maintain performance – reducing debris circulating around your heating system.
✅ Helps prevent costly breakdowns – minimising the risk of problems caused by sludge build-up.

Already have a boiler installed? No problem!

We don't just recommend magnetic filters when installing a new boiler system. A magnetic filter can also be fitted to many existing heating systems, helping to protect your boiler and keep your heating system working as it should.

It's a worthwhile upgrade that could help protect your existing boiler without the need to replace it!

At ProTherm Plumbing, we're passionate about helping our customers get the best out of their heating systems, whether we're installing a brand-new boiler or improving an existing one.

Want to know if a magnetic filter could benefit your heating system? Get in touch with ProTherm Plumbing today!

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing

07/10/2026

Chislehurst bathroom project ✨

From first fix to second fix, we handled the plumbing installation and brought this modern bathroom together with clean, precise finishing.

✔️ First & second fix plumbing
✔️ Wall-mounted taps
✔️ Wall-mounted toilet
✔️ Bath & shower installation
✔️ Sanitaryware & fixtures
✔️ Final connections & finishing

Another job completed to a high standard by the ProTherm Plumbing & Heating team.

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

05/10/2026

PROTHERM TRUSTED PARTNERS — KELVIN FIRES 🤝

We're kicking off our new series with a company we know and trust — Kelvin Fires

If you're looking for someone who knows their way around log burners and fireplaces, then Rob Lonergan is definitely your man!

Whether you're looking for:
✔ Log burners
✔ Gas fires
✔ Electric fires
✔ Fireplaces & surrounds

Rob and the team at Kelvin Fireplaces can help you find the right option for your home.

We've built a great working relationship with Rob over the years, and it's always good to know you have reliable, professional trades around you who you can trust.

That's exactly what this new series is about — showcasing some of the great businesses and tradespeople we work alongside and are happy to recommend.

A big thanks to Rob and the Kelvin Fires team for the continued relationship. 🤝

Take a look at their website for more info - www.kelvinfires.co.uk

30/09/2026

Is your heating patchy? Cold spots on radiators?

Your system may have sludge build-up — rust and debris that form naturally inside your boiler, pipework, and radiators over time.

A power flush is a deep-cleansing process that removes this sludge, restoring even heat distribution and extending the life of your boiler.

At ProTherm, we use the Proflush system — a professional-grade solution designed for thorough, clean results.

If your boiler is working harder than it should, or your radiators aren't heating evenly, a power flush could save you money on energy bills and prevent a costly breakdown.

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

22/09/2026

Thinking about a new boiler?

As approved installers for Worcester Bosch, Vaillant, ATAG, and Potterton, ProTherm can offer up to an 18-year insurance-backed guarantee on new boiler installations.

Our engineers carry the latest fault diagnostic programs on mobile tablets — giving them instant access to technical data on almost every make and model of gas appliance. That means faster diagnosis, accurate quoting, and the right boiler for your home.

We also offer extended payment plans so you can spread the cost of a new boiler.

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

20/09/2026

Boiler breakdown? We’re here 24/7! 🔥

ProTherm provides a 24-hour emergency call-out service across Orpington, Bromley, Chislehurst, Sevenoaks, and surrounding areas.

We have a 'No Call Out Charge' policy. We apply a diagnostic fee only if a fault is found and you don't need further work.

Our 8-point diagnostic checking process means we can assess your system quickly and recommend the best course of action — no guesswork.

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

15/09/2026

Another garden office air conditioning installation completed. This time in South London ❄

For this project, we installed a 3.5kW Panasonic single-split air conditioning system. Designed to provide efficient cooling during warmer weather and comfortable heating when temperatures drop, this compact system helps make the space usable throughout the year.

✔ Convenient app-based control
✔ Efficient cooling for hot summer days
✔ Comfortable heating during colder months
✔ Energy-efficient and cost-effective to run
✔ Ideal for year-round comfort
✔ 5 Year Warranty

We're Gas Safe registered, F-Gas certified, five-star Google reviews and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

Looking to improve comfort in your home or business? Get in touch to find the right solution for you.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

13/09/2026

Autumn is here — time to get your boiler serviced before the cold weather arrives! 🍂❄️

Every ProTherm boiler service includes a full safety check, gas rate and performance testing, filter cleaning, and a thermal radiator check to detect sludge build-up that can reduce your heating efficiency by 10–15%.

We're Gas Safe registered, F-Gas certified, and rated 10/10 on Checkatrade. Family-run and based in Orpington since 1989.

📞 01689 830 348 | 🌐 prothermplumbing.co.uk

Address

Orpington

Telephone

+441689830348

Website

http://www.prothermplumbing.co.uk/, https://www.checkatrade.com/trades/protherm

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