IDEAL

The Ideal 175551 expansion vessel with screwed connection is a replacement component for compatible Ideal boilers. It accommodates the expansion of heating water as it warms, helping to maintain stable pressure within the heating system. Part number: 175551 Connection type: Screwed / threaded Product type: Boiler expansion vessel Before ordering, check part number 175551 against your boiler’s spare parts documentation and confirm that the connection matches your existing vessel. Compatibility can vary by boiler model and version. Unsure whether this is the correct part? Contact Northern Heating and Plumbing with your boiler model and GC number for help checking compatibility.