Pool, and Spa Heater Raypak Model 263

General Information Type: This model is typically a gas-fired pool/spa heater available in natural gas or propane versions, with both millivolt and intermittent ignition (IID) systems. Design: It features a low-profile design for flexible installation and is built with a corrosion-resistant, powder-coated galvanized metal cabinet. It utilizes a copper-finned tube heat exchanger. Capacity: The model number 263 corresponds to its input rate of approximately 263,000 BTU/hr. Efficiency: Typical thermal efficiency for this older model is around 82%. Documentation and Parts Manuals and replacement parts for the Raypak model 263 (including variants 263A, WHG Gemini, and Spa-Pak) are available from various online retailers specializing in pool and spa equipment. Manuals: Illustrated parts lists and user manuals can be found on the Raypak website or third-party manual sites. Common Parts: Frequently replaced parts include the heat exchanger, refractory kits, burner orifices, gas valves, and pressure switches. Maintenance & Troubleshooting Manual Lighting: If the electric starter fails on a 263A model, the pilot can be lit manually. Specific safety procedures are outlined in the manual. They involve turning off the gas valve, waiting five minutes, and using a long lighter. Combustion Air: Proper installation requires a specific combustion and ventilation air supply. This prevents damage from corrosive chemical fumes, which can void the warranty. Lifespan: With proper maintenance, a gas heater like the 263 can last around 7 to 10 years.