Skip to content
Free Shipping and Hassle-Free Returns on all orders!
Free Shipping and Hassle-Free Returns on all orders!

Pentair 461112 ETi 250K BTU Natural Gas Pool Heater

SKU 461112
TradeGrade Exclusive - Request availability & checkout.

Please Note: Pentair ‘TradeGrade Exclusive’ products require contacting us to purchase. Please use the request form above or Contact Us page; we can provide product details, availability, pricing, purchasing options, etc.

Why shop with Vita Filters?

  • Authorized Pentair Distributor
  • Fast Free Shipping • No Minimum
  • Backed By Manufacturer's Warranty
  • 100% Satisfaction Guaranteed!
  • On-Staff Water Experts • Contact us


The ETi 250 high-efficiency pool heater features our TitanTough™ direct-fire titanium heat exchanger with ASME-certified construction for robust, reliable heating performance. Choose the ETi 250 heater for tight space applications or where 250,000 BTUs can do the job. All this in a heater that provides up to 96%* thermal efficiency for more energy savings over standard heaters and faster heat-up times.
  • Corrosion-resistant Titan-Tough™ Direct-Fire Titanium Heat Exchanger.
  • For every $1 of fuel piped into the heater, up to 96 cents goes directly to heating the pool, ensuring optimal heating.
  • Certified for Category IV PVC exhaust venting and air intake.
  • 360° gas line connection options for ease of installation.
  • 270° control panel orientation options for ease of access.
  • Large removal panels make accessing the heater internals easier.
  • Plumbing aligns exactly with MasterTemp® and Max-E-Therm® heaters, making ET i250 an ideal drop-in replacement on tight equipment pads.
  • 3-year parts and labor warranty
  • Brochure
  • Install Guide & InstallGuide
  • Ops Man


  • Brand: Pentair
  • Application: Pool
  • BTU Output: 250000 British thermal unit
  • Weight: 220 pounds
  • Fuel Type: Natural Gas
  • Phase: Single
  • UPC Code: 788379877491

Disclaimer: Professional installation is required (not included). Proof of installation by a trained technician is required to validate the factory warranty.

Pentair Pool Warranty Support

Free Shipping

Free Ground Shipping on all US orders.

Hassle-Free Returns

Change your mind? No problem. Our easy return process makes it easy.

Satisfaction Guarantee

We don't just claim our products are better - we back it up.

On-Staff Water Experts

Get in touch. Our experts are standing by and ready to help you.