Gasket, Flame Tube - Low Emission Models - HDE-700-205
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Gasket, Flame Tube - Model 375, 400, 450. 525, and 600 Low Emissions Models - HDE-700-205 This gasket is NOT USED in the older Aqua-Hot models.
THIS GASKET IS ONLY NEEDED FOR LOW EMISSIONS MODELS. Refer to drawings below for usage.
You only need this gasket if you need to remove the combustion chamber.
This gasket goes between the combustion chamber and the Aqua-Hot boiler tank as shown in examples below.
