You can find out the water pressure by looking at the pressure gauge; you should aim to keep it at around 1 bar. Ignition failure Many boilers will lockout after 3 failed attempts to ignite. There are several reasons why this might happen (e.g. blocked burner, insufficient gas pressure) and you should contact a heating engineer to take a look.
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Worcester, trusted for over half a century. Formed in 1962 in Worcester. Worcester, Bosch Group has had many transformations during its history, growing from a small engineering works to the market leader in boilers in the UK that it is today.
Gas Safety (Installation and Use) Regulations 1998. These Regulations cover work on gas fittings, both natural and LPG in other premises, eg domestic properties, shops, restaurants, schools and hospitals. In these premises the work on gas fittings must be carried out by someone on the Gas Safe Register.
Boilers. Our different types of boiler systems are made to be suitable for a variety of homes. The most suitable central heating boilers for a smaller home are our combi boilers, while a traditional heat only or system boiler is ideal for a home with multiple bathrooms.
All our gas boilers are available with free delivery and are all A-rated, so you will enjoy premium levels of heating efficiency. This is important as moving from a G-rated gas boiler to a new A-rated gas boiler model can save you as much as £310 a year from your heating bill, so it can certainly pay to make the move to a more efficient model.
Moist density of retained material m = 18.0 kN/m3 Saturated density of retained material s = 21.0 kN/m3 Design shear strength ' = 24.2 deg Angle of wall friction = 0.0 deg Base material details Moist density mb = 18.0 kN/m3 Design shear strength 'b = 24.2 deg Design base friction b = 18.6 deg Allowable bearing pressure Pbearing = 100 kN/m2