"The actuator in a boiler plays an important role with the heating system as it controls the flow of fluids and gases within the system. When an actuator fault develops, it can result in loss of hot water and heating in the system, or the boiler shutting off entirely as a safety mechanism. In this post, we break down the function of a boiler actuator and what you need to know about actuator motor faults.
What is an actuator motor in a boiler?
Most boilers contain an actuator motor which is responsible for controlling when the valves within the system open. It also has control over other components which perform actions based on input or environment-based signals, such as dampers. This means the actuator motor can be activated by commands that are keyed into the boiler display manually, as well as fulfil temperature changes based on a minimum set temperature for the property at a certain time."
"How to recognise a boiler actuator fault
The actuator motor is an electrical component which can develop faults due to wear and tear, or localised damage such as from exposure to water. A defective boiler actuator motor can be indicated by any of the symptoms below. Although a gas safe engineer will have to investigate inside the boiler unit to confirm if this is the case.
- Lack of hot water
- Hot water but no central heating
- Lukewarm tap water
- Leaks
UK boiler parts and spares
While the exact role of an actuator can vary from boiler to boiler, it nevertheless needs to be maintained to ensure the functionality of the property’s heating system. Our spare parts for boilers include brand new and expertly refurbished components for parts such as actuators. These can all then be delivered in a matter of days for replacement, to allow you to heat your home consistently and effectively. Contact National Boiler Spares."
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