pentair-catalog-2025-2026-digital-1-compressed

ETi ® 400 HIGH-EFFICIENCY POOL AND SPA HEATER

Featured Highlights • Titan-Tough™ Direct-Fire Titanium ASME certified heat exchanger • Certified for low NOx emissions 1 • Best-in-class energy efficiency for fast heat up times and energy savings • 4” PVC or CPVC vent up to 120 ft and 6” vent up to 300 ft long • Indoor and outdoor rating • Ultra-quiet operation • Convenient 180 degrees rotating controls panel for left or right plumbing orientation • Convenient front and rear gas connection capability • Factory configured for Natural Gas. Propane Conversion Kit available • Three years parts and labor warranty

ETi 400 Heater

The ETi 400 High-Efficiency Pool Heater features our Titan-Tough™ Direct-Fire Titanium Heat Exchanger, with ASME certified construction for robust, reliable heating performance. At 96% thermal efficiency 2 , the ETi 400 heater has the highest efficiency built in its class to date in the U.S . 3 All this in a heater that operates with ultra-quiet noise level and out performs existing energy emissions standards .

Ordering Information

Product

Gas Type

BTU (400,000)

Crate Qty.

Crate Wt.

ETi 400 HIGH EFFICIENCY HEATER

400,000 BTU—ASME LISTED

1

365

461113

Natural

ACCESSORIES

475971 475612 476072

Direct Air Intake Kit ( for indoor installations) Condensate Neutralizer Cartridge Kit

1 1 1

5 5 2

Propane Gas Conversion Kit

1 Certified by a third party test lab and communicated to SCAQMD for Rule 1146.2 2 Gas engine measures 96% thermal efficiency when tested per ANSI Z21.56:19/CSA 4.7:19 2019 section 5.10. 3 https://www.regulations.doe.gov/certification-data/CCMS-4-Pool_Heaters.html#q=Product_Group_s%3A%22Pool%20Heaters%22

CALIFORNIA PROPOSITION 65 WARNING

WARNING: Cancer and Reproductive Harm. AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur. P/N 200174.A www.p65warnings.ca.gov. ADVERTENCIA: Cáncer y Daño Reproductivo.

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SEE PAGE 363 FOR REPLACEMENT PARTS

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