Product Overview The Pentair 460806 MasterTemp 250HD Pool and Spa Heater is a high-performance natural gas heater designed to deliver fast, efficient heating for residential pools and spas. With a 250,000 BTU input rating, this heater provides dependable heating power in a compact, user-friendly design. Built with a heavy-duty cupro-nickel heat exchanger, the MasterTemp 250HD is designed for improved corrosion resistance and long service life, especially in demanding pool environments. Its Low NOx design, digital controls, and rotating display make it a strong choice for homeowners who want reliable heat with easy operation. Ideal For This heater is ideal for residential pool and spa owners, pool builders, and service professionals looking for a compact 250K BTU natural gas heater with upgraded cupro-nickel durability. It is especially useful for pools with salt systems, chemically demanding water conditions, or applications where corrosion resistance is a priority. Key Features 250,000 BTU Heating Performance Provides 250,000 BTU of natural gas heating power for fast pool and spa heat-up. This makes it a practical option for many residential pool and spa applications where dependable temperature control is needed. Heavy-Duty Cupro-Nickel Heat Exchanger The cupro-nickel heat exchanger provides enhanced corrosion resistance compared with standard copper designs. This is especially beneficial for saltwater pools, high-use pools, and systems where water chemistry may fluctuate. Natural Gas Operation Designed for natural gas fuel supply. Always verify the site’s gas type, gas line sizing, and installation requirements before purchase or installation. Digital Control System User-friendly digital controls make temperature setting and system operation simple. The heater also includes indicator lights and diagnostic features to assist with operation and troubleshooting. Rotating Digital Display The rotating display allows easier viewing from different installation positions. This helps improve service access and makes operation more convenient on crowded equipment pads. Low NOx Certified Design MasterTemp heaters are certified for low NOx emissions and are designed to meet strict air-quality standards. This makes the heater a more environmentally responsible option for compatible installations. Compact, Rustproof Exterior The compact cabinet design helps save space on the equipment pad, while the durable rustproof exterior is built to handle outdoor pool environments. This supports both retrofit and new equipment installations. Benefits The Pentair MasterTemp 250HD helps deliver fast, reliable pool and spa heating while offering the added durability of a cupro-nickel heat exchanger. Its compact footprint, quiet operation, digital control interface, and energy-efficient design make it a dependable heating solution for residential pool systems. Because this is a gas-fired pool heater, professional installation is required. Gas supply, electrical wiring, venting, water flow, clearances, and local code requirements must be verified before installation. Specifications Specification Details Product Type Pool & Spa Gas Heater Brand Pentair Series MasterTemp / MasterTemp HD Model / Part Number 460806 SKU 460806 UPC / Barcode 788379745486 BTU Input 250,000 BTU Gas Type Natural Gas Heat Exchanger / Tubing Material Cupro-Nickel Ignition Type Electronic Ignition Control Type Digital Voltage Rating 120 / 240 VAC Frequency 60 Hz Phase Single Phase Water Connection 2" Gas Connection 3/4" Maximum Flow Rate 120 GPM Cabinet Dimensions Approximately 23.02" W x 32.61" D x 28.15" H Emissions Low NOx Certified Certifications CSA-Flame Certified, CSA-Star Certified, Eco Select Application Residential pool and spa heating Product Condition New Equipment Professional Installation Required Customer-Facing Q&A Q: What is the BTU rating of the Pentair 460806 MasterTemp heater?A: This model is rated at 250,000 BTU. Q: Is this heater natural gas or propane?A: The Pentair 460806 is a natural gas heater. It is not the propane version. Q: Does this model have a cupro-nickel heat exchanger?A: Yes. This is the HD cupro-nickel version, designed for added corrosion resistance. Q: Is this heater good for saltwater pools?A: The cupro-nickel heat exchanger provides improved corrosion resistance, making it a stronger option for saltwater pools and more demanding water conditions. Proper water chemistry must still be maintained. Q: Does this heater have digital controls?A: Yes. The MasterTemp 250HD includes digital controls and an easy-to-read rotating display. Q: Can this heater be installed indoors?A: Indoor installation may require approved venting, combustion air, clearances, and local code compliance. Confirm with the installation manual and a qualified professional before indoor installation. Q: Should this heater be installed by a professional?A: Yes. Professional installation is required because this heater uses natural gas, line-voltage electrical power, water plumbing, and may require venting.
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