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This header flange gasket kit is used at compatible 2 inch heater connection points to create a watertight seal between joined water-side components
Prepare the surface by cleaning and removing loose material
Powered by an 18V rechargeable lithium battery
Ideal For Pool owners who want more reliable results than standard test strips
In spa setups
Hayward Heat Exchanger Assembly, for H250 | HAXHXA1253 Square Water Bowl This header flange gasket kitWhat This Part Is Used For The Hayward HAXHXA1253 Heat Exchanger Assembly is built for H250 heater models. It transfers combustion heat into the pool water as it circulates through the heater. Why This Part Matters Damage or internal corrosion in the heat exchanger can cause leaks or poor heating performance. Replacing the assembly restores full heating efficiency. Proper heat exchange is essential for consistent pool temperature control. Key Features