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Heat pump condensing unit

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Lennox Heat pump condensing unit ML17XP1-042-230A**

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Lennox Lennox AHRI Outdoor - ML17XP1 Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox ML17XP1-042-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: ML17XP1-042-230A**
  • AHRI records represented: 209
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-410A
  • Verified catalog model: ML17XP1-042-230A**
  • Verified product family: ML17XP1 Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: ML17XP1
  • AHRI model/pattern: ML17XP1-042-230A**
  • Nominal capacity: 3.5 ton
  • Nominal cooling capacity: 42,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 17 SEER2
  • Heating efficiency: up to 8.5 HSPF2
  • Operation: single-stage
  • Refrigerant: R-410A
  • Sound rating: 74 dB
  • Warranty: 5-year limited compressor and covered components warranty; extended coverage may be available with product registration
  • Official product page: https://www.lennox.com/residential/products/heating-cooling/heat-pumps/ml17xp1

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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ENERGY STAR certified HP - Split System

AHRI 210049461

AHRI 210049461 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049463

AHRI 210049463 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049465

AHRI 210049465 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049467

AHRI 210049467 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049470

AHRI 210049470 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049476

AHRI 210049476 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049478

AHRI 210049478 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049479

AHRI 210049479 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049481

AHRI 210049481 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
ENERGY STAR certified HP - Split System

AHRI 210049483

AHRI 210049483 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML17XP1-042-230A** and indoor unit C35-49C+TDR+TXV.
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Service planning

How GreenFlow handles ML17XP1-042-230A** requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Jack B.

Andrey always does a great job.

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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