For a clean repair, start with the correct part. Pentair Gasket [Front Burner, 400NT TSI] (472473) addresses a specific service point while preserving compatibility with the intended Pentair application. This front burner gasket is intended for 400NT TSI heater service, sealing a high-heat contact area around the burner assembly. It is useful when the existing component shows wear, damage, age-related failure, or performance issues in the larger pool or spa system. Made for 400NT TSI heater gasket replacement Supports better sealing and reduced air-leak concerns Check gasket fit, burner surface condition, and heat exposure before installation Use part number to verify fit Use this part as part of a complete service check, especially on older systems where seals, hardware, fittings, or housings may also be worn.
![Pentair Gasket [Front Burner, 400NT TSI] (472473)](https://cdn.shopify.com/s/files/1/1751/9347/files/472473_XL.jpg?v=1778040387&width=480)
