Ideal Plate Heat Exchanger Kit 24kW 176467

The Ideal 176467 is a plate heat exchanger kit rated at 24kW, supplied by Ideal for use in its domestic and commercial boiler ranges. A plate heat exchanger of this type is the secondary heat exchanger, the component that transfers heat from the primary circuit water into the domestic hot water as it passes through the boiler. It sits in the DHW circuit and is built from a stack of corrugated plates that keep the two water paths separate while bringing them into close thermal contact.

• Domestic hot water runs lukewarm or fluctuates in temperature while the heating circuit behaves normally.
• The boiler fires and reaches temperature but the hot tap output stays cool, pointing to poor heat transfer across the plates.
• Reduced hot water flow rate at the outlets, often caused by scale or debris blocking the narrow passages between the plates.
• Water weeping from the plate stack or from the seals at the connection points.
• Repeated overheat or lockout faults on the DHW side of the boiler.

• Check the GC number and serial plate on the appliance against the compatibility list to confirm the correct 24kW variant.
• Note the alternative part number 1781960 when cross-referencing older documentation or stock records.
• Inspect the seals and connections on removal; a gasket or seal kit may be needed to complete the repair.
• This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.