Raypak | 017404 | 266A Digital Natural Gas Heater | Elevation 2000-5999 Feet | 266,000 BTU Cupronickel #51
Raypak | 017404 | 266A Digital Natural Gas Heater | Elevation 2000-5999 Feet | 266,000 BTU Cupronickel #51
The Raypak 017404 266A Digital Natural Gas Heater is a 266,000 BTUH gas fired pool and spa heater configured with a cupronickel fin tube heat exchanger and #51 natural gas orifices for 2,000 to 6,000 ft elevation installations. This digital electronic ignition model is designed for residential applications and supports indoor or outdoor installation when properly vented according to manufacturer specifications.
Key Features
⢠266,000 BTUH natural gas input designed for residential pool and spa heating applications.
⢠#51 natural gas orifices configured for 2,000 to 6,000 ft elevation installations.
⢠Cupronickel fin tube heat exchanger provides enhanced resistance to corrosion and scale.
⢠Digital electronic ignition with microprocessor controlled thermostat for accurate temperature management.
⢠2 inch slip water connections compatible with standard pool plumbing configurations.
⢠3/4 inch NPT gas inlet connection with required natural gas supply pressures of 6 to 10.5 in WC.
⢠Operates on 120V or 240V single phase power with 4 amp draw at 120V and 2 amp draw at 240V.
⢠Certified to ANSI Z21.56 / CSA 4.7 standards for gas fired pool heaters.
Product Overview
The Raypak 017404 266A Digital Natural Gas Heater is engineered to deliver reliable and efficient heating performance for residential pool and spa systems located at moderate elevations. With a 266,000 BTUH input rating and factory configured #51 natural gas orifices, this unit is optimized for installations between 2,000 and 6,000 ft. The cupronickel fin tube heat exchanger enhances durability and improves resistance to aggressive water chemistry conditions.
The integrated digital control system provides precise temperature adjustment and operational feedback through a clear interface. Designed with 2 inch slip water connections and a 3/4 inch NPT gas inlet, the heater integrates into common equipment pad layouts. Dual voltage capability supports flexible electrical installation, and the corrosion resistant cabinet allows for indoor or outdoor placement when properly vented.
Frequently Asked Questions (FAQ)
Q: What is the Raypak 017404 266A heater used for?
A: The Raypak 017404 266A is a 266,000 BTU natural gas pool and spa heater designed for residential pools that require efficient and reliable heating at moderate elevations.
Q: What elevation is the Raypak 017404 266A designed for?
A: This model is configured for 2,000 to 5,999 ft elevation installations and uses #51 natural gas orifices for proper performance at moderate altitude.
Q: What size pool is the Raypak 017404 266A best for?
A: This 266,000 BTU heater is ideal for small to medium-sized residential pools and spas, providing efficient and consistent heating.
Q: Is the Raypak 017404 266A worth it?
A: Yes. It is a reliable and efficient heater offering solid performance, digital temperature control, and a cupronickel heat exchanger for long-term durability.
Q: Can the Raypak 017404 266A replace my existing pool heater?
A: Yes. It can replace many older heaters, but compatibility depends on your gas line size, plumbing setup, electrical configuration, venting, and elevation requirements.
Q: Is the Raypak 017404 suitable for saltwater pools?
A: Yes. The cupronickel heat exchanger provides enhanced resistance to corrosion and scale, making it suitable for saltwater and chemically treated pools.
Q: What type of gas does the Raypak 017404 use?
A: This heater uses natural gas and is configured with #51 natural gas orifices for 2,000 to 5,999 ft elevation installations.
Q: Does the Raypak 017404 require professional installation?
A: Yes. Professional installation is recommended due to gas, electrical, plumbing, and venting requirements.
Q: Is the Raypak 017404 allowed in California?
A: This model is not a Low NOx heater, so it may not be approved for installation in certain California regions with strict emissions regulations. Customers should check local codes or consider a Low NOx model if required.
Q: When should I choose the Raypak 266A instead of a 336A or 406A model?
A: The 266A is a great option for smaller pools or systems that do not require higher BTU output, offering efficient heating without oversizing.
Q: Can the Raypak 017404 be installed indoors or outdoors?
A: Yes. It can be installed indoors or outdoors when installed with proper venting according to manufacturer guidelines.



Description
The Raypak 017404 266A Digital Natural Gas Heater is a 266,000 BTUH gas fired pool and spa heater configured with a cupronickel fin tube heat exchanger and #51 natural gas orifices for 2,000 to 6,000 ft elevation installations. This digital electronic ignition model is designed for residential applications and supports indoor or outdoor installation when properly vented according to manufacturer specifications.
Key Features
⢠266,000 BTUH natural gas input designed for residential pool and spa heating applications.
⢠#51 natural gas orifices configured for 2,000 to 6,000 ft elevation installations.
⢠Cupronickel fin tube heat exchanger provides enhanced resistance to corrosion and scale.
⢠Digital electronic ignition with microprocessor controlled thermostat for accurate temperature management.
⢠2 inch slip water connections compatible with standard pool plumbing configurations.
⢠3/4 inch NPT gas inlet connection with required natural gas supply pressures of 6 to 10.5 in WC.
⢠Operates on 120V or 240V single phase power with 4 amp draw at 120V and 2 amp draw at 240V.
⢠Certified to ANSI Z21.56 / CSA 4.7 standards for gas fired pool heaters.
Product Overview
The Raypak 017404 266A Digital Natural Gas Heater is engineered to deliver reliable and efficient heating performance for residential pool and spa systems located at moderate elevations. With a 266,000 BTUH input rating and factory configured #51 natural gas orifices, this unit is optimized for installations between 2,000 and 6,000 ft. The cupronickel fin tube heat exchanger enhances durability and improves resistance to aggressive water chemistry conditions.
The integrated digital control system provides precise temperature adjustment and operational feedback through a clear interface. Designed with 2 inch slip water connections and a 3/4 inch NPT gas inlet, the heater integrates into common equipment pad layouts. Dual voltage capability supports flexible electrical installation, and the corrosion resistant cabinet allows for indoor or outdoor placement when properly vented.
Frequently Asked Questions (FAQ)
Q: What is the Raypak 017404 266A heater used for?
A: The Raypak 017404 266A is a 266,000 BTU natural gas pool and spa heater designed for residential pools that require efficient and reliable heating at moderate elevations.
Q: What elevation is the Raypak 017404 266A designed for?
A: This model is configured for 2,000 to 5,999 ft elevation installations and uses #51 natural gas orifices for proper performance at moderate altitude.
Q: What size pool is the Raypak 017404 266A best for?
A: This 266,000 BTU heater is ideal for small to medium-sized residential pools and spas, providing efficient and consistent heating.
Q: Is the Raypak 017404 266A worth it?
A: Yes. It is a reliable and efficient heater offering solid performance, digital temperature control, and a cupronickel heat exchanger for long-term durability.
Q: Can the Raypak 017404 266A replace my existing pool heater?
A: Yes. It can replace many older heaters, but compatibility depends on your gas line size, plumbing setup, electrical configuration, venting, and elevation requirements.
Q: Is the Raypak 017404 suitable for saltwater pools?
A: Yes. The cupronickel heat exchanger provides enhanced resistance to corrosion and scale, making it suitable for saltwater and chemically treated pools.
Q: What type of gas does the Raypak 017404 use?
A: This heater uses natural gas and is configured with #51 natural gas orifices for 2,000 to 5,999 ft elevation installations.
Q: Does the Raypak 017404 require professional installation?
A: Yes. Professional installation is recommended due to gas, electrical, plumbing, and venting requirements.
Q: Is the Raypak 017404 allowed in California?
A: This model is not a Low NOx heater, so it may not be approved for installation in certain California regions with strict emissions regulations. Customers should check local codes or consider a Low NOx model if required.
Q: When should I choose the Raypak 266A instead of a 336A or 406A model?
A: The 266A is a great option for smaller pools or systems that do not require higher BTU output, offering efficient heating without oversizing.
Q: Can the Raypak 017404 be installed indoors or outdoors?
A: Yes. It can be installed indoors or outdoors when installed with proper venting according to manufacturer guidelines.











