**Raypak Copper Tube Bundle for Model 336A, 337A Low NOx Heater – Precision Fit for Enhanced Performance**
Upgrade your pool heating experience with the **Raypak Copper Tube Bundle**, designed specifically for the **Model 336A and 337A Digital Low NOx Pool Heaters**. This high-quality copper tube bundle is engineered to ensure optimal performance and efficiency, making it an essential component for maintaining your pool’s heating system.
**Key Features:**
– **Exact Fit:** Tailored for use with polymer heat exchangers, this bundle perfectly fits Model 336A and 337A heaters, ensuring seamless integration and operation.
– **Durable Construction:** Crafted from durable copper, the tube bundle offers superior heat transfer capabilities, prolonging the lifespan of your pool heater.
– **Complete Package:** Includes a baffle, flange nut kit, and (2)
