Ideal 170990 Pump Kit Isar/icos System

The Ideal 170990 is a pump kit designed for Isar and Icos system boilers. The circulation pump is a critical component that moves water through the heating system and hot water cylinder, ensuring consistent heat distribution. This kit includes the pump and any necessary fittings for replacement. As an Ideal spare part, it is designed to meet the original specification for these boiler models. A faulty pump can lead to poor heating performance or complete system failure, so replacing it with the correct part is essential.

• Boiler fails to circulate water, resulting in no heating or hot water.
• Unusual noises from the pump, such as grinding, humming, or screeching.
• Leaks from the pump housing or surrounding pipework.
• Boiler overheating or frequent lockout errors.
• Reduced heating performance or uneven radiator temperatures.
• The pump may run continuously or not at all, indicating a fault.

• Confirm your boiler model and serial number to ensure compatibility.
• Check if a gasket or seal kit is required for your specific boiler.
• Verify the part number 170990 matches your existing pump.
• No superseded or alternative part numbers are listed for this item.