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April 18, 2023
Why You Should Consider Heatsy For A Boiler Installation

If you're looking for a cost-effective and professional way to install your boiler, then Heatsy Boiler Installation is the right choice. Our team of professionals will ensure that your new boiler is installed quickly and efficiently. We offer quality assurance on all our work, so you can rest assured knowing that we'll get the job […]

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April 18, 2023
Why You Should Work With Us

Introduction Heatsy is a boiler repair service provider in Croydon. We have been in this business for more than 10 years and have gained a lot of experience in repairing boilers. Our engineers are highly skilled and qualified to handle any kind of boiler repair work, including installing new boilers where necessary. Emergency Response Services […]

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February 15, 2023
Viessmann F9 Fault

The F9 fault is a fan fault, which means the fan is running when it shouldn't. The fan's job is to pull warm air out of the boiler. If an F9 occurs, the boiler controller will turn off the pump and call for a service technician to inspect it. It's not uncommon for an F9 […]

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February 15, 2023
Viessmann F8 Fault

The Viessmann F8 fault presents itself when a burner is disabled/locked out, meaning it cannot ignite. This fault may be triggered for various reasons, which will be addressed in this article. The most common cause of this fault is the failure of the flame sensor, which tells the control board that there is an actual […]

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February 15, 2023
Viessmann F7 Fault

A Viessmann F7 fault occurs when the burner is locked out, which may happen while the burner is on or off and should recover when power is interrupted. In some cases, a manual reset will be required. Read on to learn more!   What Does Viessmann F7 Fault Mean To My Boiler? If you get […]

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February 15, 2023
Viessmann F6 fault

When the temperature drops below or rises above a certain point, the F6 fault code is triggered in a Viessmann boiler. In a conventional boiler, the F6 fault would be caused by an over-temperature condition. In the Viessmann System Boiler, the F6 fault is triggered when temperatures are not within a tolerance of each other, […]

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February 15, 2023
Viessmann F5 Fault (Problem With The Gas Pressure)

A Viessmann F5 fault code indicates a problem with the gas pressure, and the system would not function correctly if left unfixed. Many other codes, such as a "low or high outdoor temperature," can be set, including a fault code which only means there was a power failure during storage of the heating system. This […]

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December 5, 2022
Heatsys’ Boiler Installation Guide And Cost

Are you planning for a new boiler installation in your home? To learn more about what to expect, including the price, and when a boiler replacement isn't the best option continue reading below. Can You Get A Boiler Repair? It's no secret that when you find out your boiler is broken, and you need an […]

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December 2, 2022
Viessmann F4 Fault Code – Likely Causes, And Possible Fixes

What Does the Viessmann F4 Fault Mean? Viessmann boiler F4 fault is one of the most common issues that plague Viessmann boilers, and it's such a tricky problem that many people have trouble identifying it in the first place. The issue is often caused by problems with flame recognition, which means that the sensors don't […]

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