The Delta P is the pressure drop in a heating system which can be defined as the difference in total pressure between two points (e.g A and B) of a fluid carried through the pipework or heating equipment such as a radiator as shown […]

Firstly, in order to identify Legionnaires disease as a significant hazard it is important to know and understand the factors that affect the rate of growth and transmission of legionella as well as any potential exposure to the ha […]

AEL have been supplying brazed plate heat exchangers for use in many applications throughout the UK , Ireland and the Channel Islands for over 20 years.

Brazed plate heat exchangers are very small in size and are a highly e […]

Below provides a guide to water flow rates and pressure when sizing a plate heat exchanger.

Low Pressure Installations A gravity or low Pressure Installation in a standard two storey house with a cold feed water tank in a l […]

1. Plate Heat Exchanger
To start, we need to know the KW required to meet the demand from the central heating circuit to start calculating the most suitable PHE

2. System Control Panel
The control panel will sense […]

1. Swimming Pool to be heated
To start, we need to know the volume of the pool water, the required pool temperature and then the acceptable heat-up time of the pool from cold to start calculating the most suitable PHE.

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1. DHW Cylinder to be heated. To start, we need to know the volume of water in the cylinder, the demand from the DHW circuit , the time it will take to empty the cylinder and the time it will take to re heat the cyli […]