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Weil-McLain Ultra Gas S4 Gas Boiler - ULTRA299-S4

Abt Model: ULTRA299-S4
Available For Delivery 7 To 14 Days
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Product Details

Weil-McLain Ultra Gas S4 Gas Boiler - ULTRA299-S4


  • Cast aluminum coated heat exchanger
  • Up to 94% DOE AFUE efficiency
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority
  • Modulates with 5:1 turn-down ratio
  • High grade stainless steel burner features quiet operation
  • U-Control gives you the power for easy set-up and maintenance:
    • Multiple set-up and zone options
    • System sensing recognizes system and outdoor temperatures
    • Temperature management for up to three different set-points
    • Control multiple boilers from a single control panel
    • Standard screen messages provide service alerts and maintenance reminders


  • AFUE (%): 92.5
  • CSA Input (MBH): 299
  • Net (MBH): 235
  • DOE Heating Cap. (MBH): 270
  • Vent Size (in.): 4"
  • Water Volume: 2.1 Gal.

Approximate Dimensions:

  • Height: 43-1/16"
  • Width: 22-13/16"
  • Depth: 22-1/8"

Approximate Weight:

  • Shipping: 297 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer):
    • 12 Years Heat Exchanger
    • 2 Years All Other Parts
California customers: Proposition 65 WARNING

Key Features

Cast Aluminum Coated Heat Exchanger/ Up To 94 Percent DOE AFUE Efficiency/ Designed To Operate In Low Temperature Condensing Applications/ Outdoor Reset And Domestic Hot Water Priority/ High Grade Stainless Steel Burner Features Quiet Operation/ Beige Finish

More reasons to buy the Weil-McLain Ultra Gas S4 Gas Boiler ULTRA299-S4 from Abt Electronics

  • is an authorized dealer.
  • The Weil-McLain Ultra Gas S4 Gas Boiler ULTRA299-S4 is Brand New.


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