For more than 140 years, this brand Vaillant has
been setting the standards in the heating market. They have been creating the
products that have taken the markets towards a newer and better change. From
water heater in early 1900’s to pioneering the combination boiler for more than
35 years, this brand has maintained its reputation around the global markets.
The Vaillant group has presence in over 20 countries
with national sales companies and exports to more than 60 states. This group of
heating appliances is internationally-family owned company with a heritage of
more than 141 years in providing the customers efficient, energy-saving and
easy to operate heating solutions for their residential and commercial use.
This company stands as second largest European manufacturer in the business of
heating technologies. The company develops not only in United Kingdom, but also
grew in Germany, France, Spain, Italy, Slovakia, Turkey and China.
The company focuses on more to the systems with
renewable energy. The development of Hybrid systems which combines with the
renewable energies and heating appliances gets more focused by the brand. In
all of its ranges, sustainability plays a vital role for this company. As in UK
alone, replacing any old heating system with the new Vaillant one can increase
the efficiency of the appliance and saves the energy up to 30%. Thus, the
brand’s key element is to manufacture the products which are sustainable to the
But sometimes due to any fault or an issue, your
heating appliance i.e. the boiler could stop working. This can be due to the
loss of water pressure in the boiler. For regaining its potential heat and
warmth again, you need to repressurise you vaillant boiler. You might be
thinking how will it be done? How to repressurise a vaillant boiler? We have
the solution to your problem.
You just need to follow the steps, they are as
- Close all vents
getting start with re pressurizing your boiler, check all the bleed valves on
radiators and towel rails are fully closed.
- Search for the filling loop
most of the boilers, they have the external filling loop that is used to top up
the boiler with water and hence increases the pressure. However, the braided
hose with a small valve on it, that’s usually located below the boiler casing
should be kept opened.
soon as you open the filling loop, you will get to see a pressure rise. You can
take a look of what is the exact pressure your boiler needs. Mostly the boilers
operate with 1.5 bars.
sure that the filling loop is completely closed. However if it is not closed it
will slowly leak additional water into the boiler. This will increase the
pressure and the boiler will lockout.
–If there is no filling loop in your boiler, they might be installed on the
If you have re pressurized your boiler too
much you will need to drain the system. But if the pressure is very high by
less than 0.5 bar, you need to understand the problem by bleeding radiators.
You just need to bleed key, a bucket to catch the water and towel to protect
carpets. Now open the bleed valves very slowly. This will allow the water to
escape and pressure to be released.