MORE STAYING POWER. MORE SAVING POWER.

The ETi 400 pool and spa heater brings you TitanTough Direct-Fire Titanium, the toughest ASME-certified construction heat exchanger ever built. At 96% thermal efficiency, the ETi 400 heater has the highest efficiency ever built in its class. All this in a heater that operates with ultra-quiet noise level and outperforms energy emissions standards.

• Application: Up to 50,000 Gallons*
  
• 96% thermal efficient heater (highest in its class)
• Corrosion resistance with Titan-Tough™ Titanium Heat Exchanger
• High efficiency equals large energy savings over standard heaters
• Ultra-quiet operation
  
• Direct venting with PVC
  
• 3-year warranty

Specifications:

• Brand: Pentair
• Application: Indoor, Outdoor, Pool, Spa
• BTU Output: 400,000 British thermal units
• Commercial, Residential, or Professional: Commercial, Residential
• Weight: 379 pounds
• Flow Rate Max: 120 gal/min
• Flow Rate Min: 40 gal/min
• Fuel Type: Natural Gas
• Green or Energy-Efficient Product: True
• Housing Material: Cupro Nickel
• Material: Titanium
• UPC Code: 788379877248
• Part No. 461113 Natural Gas 400,000 BTU — ASME LISTED

Accessories: (*Sold separately)

• 475971 Direct Air Intake Kit (for indoor installations)
• 475612 Condensate Neutralizer Cartridge Kit
• 476072 Propane Gas Conversion Kit

Support Documents:

• ETi 400 & ETi 250 Family Brochure
• Gas Pool Heaters Family Brochure
• ETi 400 High Efficiency Gas Heater Owners Manual - English
• Heater Checklist
• ETi 400 Heater Propane Conversion Manual
• ETi 400 Heater Gas Control Valve Replacement Kit Manual for 476001
• ETi 400 Heater Combustion Blower Replacement Kit for 47600
• ETi 400 Quick Reference Guide

*Please Note: The BTU rating is the minimum heating requirement for the recommended gallons shown. This is under perfect conditions with no temperature loss. Always size up if you plan to use the heater in cool weather or without a cover. Need help? Contact us anytime - we’re here to help!