Worcester Bosch Coil Solenoid Valve BFP21L3 87161427370

The Worcester Bosch 87161427370 is a coil solenoid valve, also designated BFP21L3. It is an electromechanical component that opens or closes to control the flow of water or gas within the appliance. This part is listed under the solenoids and coils category and is used in Worcester Bosch heating appliances. Solenoid valves of this type are essential for regulating flow in response to electrical signals from the appliance's control board. The coil solenoid valve is a common spare part for Worcester Bosch oil-fired and gas-fired appliances. It helps maintain dependable performance by controlling the flow of water or gas. When the coil is energised, the valve opens; when de-energised, it closes.

• The appliance fails to ignite or fires intermittently.
• No gas or water flow occurs despite a call for heat.
• An error code relating to flame detection or gas valve appears.
• An audible click is heard from the valve but ignition does not follow.
• Visible damage, corrosion, or overheating is present on the coil.
• The appliance locks out and requires resetting repeatedly.
• The valve body leaks or shows signs of wear.

• Check the appliance model and serial number against the compatibility list.
• Confirm the part number 87161427370 matches the component being replaced.
• Inspect any seals or gaskets and replace if worn.
• Ensure the appliance is isolated from the power supply before fitting.
• Refer to the appliance's service manual for fitting instructions.