Jandy | EHE350NC | Hi-E2 Swimming Pool Heater Natural Gas Copper Tubing 350K BTU

The Jandy Hi-E2 EHE350NC 350K BTU Natural Gas Pool & Spa Heater is a high-efficiency commercial-grade heating solution built for demanding installations. With robust copper/bronze (or optional cupronickel) heat-exchanger design, ASME compliance, and up to 95% thermal efficiency, this unit delivers reliable warmth, corrosion resistance, and performance for large pools and spas. 

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Key Features

• 350,000 BTU /hr gross input for high-capacity pool and spa systems.

• Up to ~95% thermal efficiency, maximizing fuel savings and extending season. 

• ASME certified for commercial use, ensuring structural and safety compliance. 

• Copper/bronze headers standard; cupronickel optional for enhanced salt-water corrosion resistance. 

• Sealed combustion chamber with forced draft blower enables flexible indoor/outdoor venting. 

• Compact footprint (approx. 33″H x 26″W x 19″D) and moderate weight (~175 lbs) for installation efficiency. 

• Dual-thermostat panel (Pool/Spa) capability for combined systems or multi-use setups.

• Durable construction suited for pool mechanical rooms or equipment pads.

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Product Overview
Designed for professionals servicing high-usage or large-capacity pool and spa systems, the Jandy Hi-E2 EHE350NC delivers commercial-level performance in a compact package. Its 350K BTU output targets installations where fast recovery, extended swim seasons, or degrading older equipment necessitate a higher capacity heater. The ASME certification and robust heat exchanger construction make it particularly suitable for salt-water environments, commercial settings, or equipment-pad upgrades where durability and long-term reliability are crucial.

Installation supports a sealed-combustion design, giving flexibility for indoor or outdoor placement, and the high efficiency minimizes operational fuel cost—especially critical in climates where heating payroll dominates. For service technicians, its OEM compatibility and rugged build provide confidence in both new installs and major equipment retrofits. The Hi-E2 EHE350NC is a professional-grade heater that blends power, efficiency, and reliability for demanding aquatic environments.