Raypak 010331F Stack Adapter Kit – For 266–268 Series Pool Heaters The Raypak 010331F Stack Adapter Kit is a genuine OEM venting accessory engineered for Raypak 266A and 268A pool and spa heaters. This stack adapter provides a secure connection between the heater and venting system, ensuring safe and efficient exhaust gas flow. Constructed from high-quality, heat-resistant metal, it helps maintain proper draft and prevents backflow for consistent heater performance and safety compliance. Key Features & Benefits Genuine OEM Replacement: Designed by Raypak for precise fit and reliable operation. Safe Venting Solution: Ensures proper exhaust flow and prevents backdrafting. Durable Construction: Made from corrosion- and heat-resistant steel. Improves Efficiency: Optimizes heater airflow for consistent combustion performance. Easy Installation: Direct-fit kit with pre-formed flanges and mounting hardware. Ensures Compliance: Meets manufacturer specifications for heater venting safety. Specifications Model/SKU: 010331F Part Type: Stack adapter kit (vent adapter) Compatible Models: Raypak 266A and 268A gas pool and spa heaters Material: Heavy-duty, heat-resistant metal Color: Metallic gray/silver Function: Connects heater to vent stack for proper exhaust flow