Twin AERCO MLX060H 606,000 BTU/hr Natural Gas Boilers – 2006 Models, One for Repair/Parts, Includes Maintenance Kits

For sale as a pair are twin AERCO MLX060H natural gas boilers, originally installed in 2006 and taken out of commission in December 2023.

Each unit offers a maximum input of 606,000 BTU/hr and an output of 558,000 BTU/hr, featuring a 13.5:1 turndown ratio and cast aluminum heat exchangers for high efficiency.

These commercial-grade boilers are ideal for facilities like schools, hospitals, or industrial plants, though they are being sold as-is with one unit needing repair. Manufactured by AERCO, these units come with unopened maintenance kits and a variety of parts, adding value for buyers or repair projects.
Specifications:
• Brand: AERCO
• Model: MLX060H
• Serial Numbers: 606-09-0015 (operational), 606-09-0090 (cracked heat exchanger)
• Capacity: 606,000 BTU/hr max input, 558,000 BTU/hr output per unit
• Min Input: 45,000 BTU/hr
• Net I=B=R Rating: 474,000 BTU/hr per unit
• Fuel Type: Natural Gas
• Voltage: 115V, less than 12 amps
• Max Water Pressure: 92 psi
• Max Water Temperature: 200°F
• Min Relief Valve Capacity: 697,000 BTU/hr
• Certifications: ASME, CSA, ANSI Z21.13, CSA 4.9
• Heat Exchanger: Cast aluminum (one unit with excessive corrosion and a crack in the rear)
• Installation Year: 2006
• Decommissioned: December 2023
Condition:
Both boilers were fully operational prior to decommissioning. The unit with Serial #606-09-0015 is in good condition with regular maintenance, though minor cosmetic wear is present. The unit with Serial #606-09-0090 exhibits excessive corrosion and a crack in the rear heat exchanger, suitable for repair or parts. Sold as-is, with no warranties. Buyers may inspect by appointment—contact the seller for details.

Maintenance History:
Regular maintenance was performed per manufacturer specifications. A municipal HVAC service contract covered annual and routine maintenance by a professional technician until February 2021. On-site staff then continued maintenance until decommissioning in December 2023.
Included Accessories:
• Maintenance Kits: Two unopened 12-month kits (each valued at ~$600–$700 new, total ~$1,200–$1,400 new).
• Miscellaneous Parts: Exhaust condensate flange, gaskets (condensate cover, inducer motor, high-temperature), used flame rods, flame sensors, clips, screws, burner, check valve assemblies, product manual, and guide. [Assumed: one of each, mixed new and used—verify upon upload.]

Location:
Olean, NY 14760. Boilers are not palletized and are located at the municipal facility.
Shipping and Removal:
• Sold AS-IS, WHERE-IS.
• Buyer is responsible for all rigging, loading, and freight charges.
• Estimated weight: 600–700 lbs each [based on manual handling; buyer to verify].
• Dimensions: 37” W x 41.5” H x 36” D (including exhaust extremities and fittings).
• Removal must occur within 10 business days after auction close (per GovDeals terms). The on-site freight elevator is out of service, and units will need to be removed via a staircase.
• Buyer to arrange all logistics for removal.

Additional Notes:
• This pair is ideal for buyers seeking a working unit with a parts donor or repair project.
• Decommissioned due to a cracked heat exchanger, with new units installed for better modulation and snow melt capacity.
• The included maintenance kits and parts add significant value, reducing initial upkeep costs.
• Similar AERCO MLX060H units have sold for $15,000–$40,000 each; pricing reflects one unit’s condition.