This hydraulic ram controls the air intake on Riello burners, typically used on the G20 model but may fir others. It sits within the burner section, where gas is ignited to heat water in the main...
Printed circuit board
Control sequence unit
Genuine Worcester spare part
For use in HiFlo 3.5 FSN NG combi boiler
Please check boiler manual for compatibility
Please note - PCBs are non-retunrable if opened by customer. We may open the box, check the product and reseal with a security label. Check with manufacturer for compatability. Genuine manufacturer...