Skip Content

Three Pass Water Boiler,Oil,31-1/2In. H close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Three Pass Water Boiler, Oil, 31-1/2In. H

Price $3,938.00 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 6DKJ3
  • Mfr. Model # FWZ080BOLT1SSU
  • UNSPSC # 40102001
  • Catalog Page # 4299
  • Shipping Weight 430.0 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Three Pass Hot Water Boiler
  • Fuel Oil
  • Net BtuH I-B-R 84,000
  • BtuH Input 112,000
  • Ignition Type Flame Retention
  • DOE Heating Capacity 97,000 BtuH
  • Burner Cap 0.80 gph
  • AFUE 86.3%
  • Pipe Size Return 1-1/2"
  • Pipe Size Supply 1-1/2"
  • Width 20-3/4"
  • Depth 30-3/4"
  • Height 31-1/2"
  • For Use With Home Heating Systems
  • Vent Type Gravity
  • Vent Dia. 5"
  • Cabinet Material Sheet Metal
  • Housing Finish Painted, Krinkle
  • Standards AHRI, IBR, ASME
  • Manufacturers Warranty Length 1 yr. Component Part, Limited Lifetime Heat Exchanger
  • Includes Circulator Damper
  • Green Certification or Other Recognition ENERGY STAR Rated
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions

  • Green Product - This item has been designated by the manufacturer as an environmentally preferable product (EPP) because this item is ENERGY STAR Rated.

  • This product contains a chemical that is regulated under California Proposition 65.

    Warning: This product contains a chemical known to the State of California to cause cancer.

    Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.


Crown Cast-Iron Oil-Fired Boilers

• Swing-open cast-iron burner door for easy service
Freeport Series
For residential and light commercial hot water heating systems. Circulates hot flue gases through the heat exchanger 3 times for optimum efficiency. 3-pass block design provides full access to flue passages. Features Honeywell hi-limit combination aquastat relay and flame retention Becket oil burner.
AHRI, IBR, ASME, and Energy Star®.

Product availability based on selecting either shipping or pick up and a location. Dismiss

Repair Parts

Displaying repair parts for model:

Alternate Search Terms

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.