Ideal Lower Insulation Body 11/12 Section 175143

The Ideal lower insulation body is a moulded insulation component that sits against the lower section of the boiler body on Ideal Commercial appliances built with 11 or 12 sections. Its job is to limit heat escaping from the boiler shell, which helps keep casing and panel surface temperatures within normal working limits and reduces standing losses from the appliance. It is supplied as a spare under part number 175143 and is shaped specifically for the lower body position rather than the upper sections.

• Insulation material visibly cracked, crumbling or breaking down
• Insulation detached or sagging away from the lower boiler body
• Casing or panel surfaces running noticeably hotter than usual around the lower boiler
• Damp or water-stained insulation following a leak or joint weep
• Heat loss readings or efficiency checks outside the expected range for the appliance

• Confirm the boiler body section count is 11 or 12, as the insulation is shaped for that body size
• Check the appliance data plate and any GC number against the compatibility list below
• Cross-reference the alternative part numbers 1779366 and 82294034 against older service documentation before ordering
• Inspect the surrounding seals and fixings while the lower body insulation is removed