Boiler with low pressure

Do you have a low pressure boiler problem?

Herofix are here to help you to fix or diagnose the issue in less than 15 minutes

Save Money

A 15 minute video call costs only £15, a fraction of what a plumbers call out fee would be. You save a lot of money when fixing or diagnosing your heating problem with your own hands.

Save Time

Don’t wait hours or days for a plumber to turn up, book a call in 30 minutes and your heating problem could be fixed within a short 15 minute video call.

Learn New Skills

You’ll be safely shown how to fix the problem yourself, giving you skills for life, so you don’t get caught out again in the future.

Fix or diagnose your heating problem in a Jiffy!

Around 60% of heating problems can be solved within 15 minutes

What causes low boiler pressure?

Sealed systems need to be kept pressurised to function correctly and there’s several causes which can make pressure drop:
  • Leaking radiators
  • Broken pressure relief valves
  • Failed Expansion vessels
  • Leaking boilers
  • Radiators not bled properly

Need help fixing your Low Boiler Pressure?

How can we help with your heating problem?

Book a video call with an experienced professional to fix or diagnose your problem instead of waiting for a plumber to arrive.

Save time

Save money

Less plumber travelling time – better for the environment

Quicker way to diagnose the problem

Book a call at your convienence

Why choose us?

You might be wondering why you would use us and not just call out a heating engineer to your home, let’s help answer that for you…

Live guidance and support when you need it.

Around 70% of plumbing and heating problems can be solved within 15 minutes, typically by performing a very basic action. With the right guidance and support, anyone can be a hero.

Save time, money and be more eco-friendly.

Plumbing and heating companies can charge anywhere between £60 – £250 for one call-out, before they’ve even fixed the problem.

You only need to spend £15 with us, not only will you be saving money, you’re also contributing to a greener planet by avoiding a plumbers journey in a van.

Find out what our customers say


Great service!

Couldn’t recommend the HEROFIX more! They managed to fit us in at incredibly short notice for a video consultation. Son was incredibly knowledgeable and friendly.

Not to mention, this video appointment was free of charge due to my girlfriend working in the NHS.

SMC from London

Quick and very effective

Really great service and extremely useful in the current climate. My issue was resolved quickly and would use again.

Anonymous from Manchester

Sensible and Simple Advice

Had been worrying about certain aspects of my heating and gas flue for a while. Son gave me excellent advice which has set my mind at rest. It was so simple and he explained things to me in easy to understand terms. Would definitely use them again.

Helena from Lewisham

An experienced team of Certified Heating Engineers

Providing no-obligation advice to help you resolve your heating problem

Frequently asked questions

You open valves to allow the mains cold water to flow into the central heating system. This is usually local to the boiler or airing cupboard. To help us guide you through, please book now.

Find out why. There is likekly a leak somwhere, and once you find that, youll know what repair is needed.

When the system is cold the pressure should be sitting between 1 and 1.5 bar. When the system is hot the pressure can be as high as 2.5 bar.


Some of the common low boiler pressure symptoms are:

  • Cold radiators
  • Boiler flashing fault codes
  • No hot water
  • Noisy radiators
  • Ineffiecient system

Who are Herofix®?

The first step of solving a plumbing or heating problem in your home should start with a video call with an experienced professional.

They can explain the skills and give you the knowledge of how to fix a problem yourself. If the problem can not be fixed with your hands, then they should be able to diagnose the issue and give you directions for what to do next.

The aim is to save you time and money. By jumping on a video call within the hour, you’ve saved the time of waiting for a plumber to arrive and potentially avoided an unnecessary call out.

At a fraction of the cost of a plumbers first hours labour charge, you could have fixed the heating problem or diagnosed the problem saving big money.

Other heating issues? View our other services...

Need a plumbing or heating engineer?

Save time, money and the environment by booking a video call with a plumber at a convient time for you