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Heat pump condensing unit

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Trane Heat pump condensing unit GSK048A3

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Trane Trane AHRI Outdoor - Axiom Rooftop Water Source Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Trane GSK048A3 product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: GSK048A3
  • AHRI records represented: 1
  • AHRI equipment type: Ground Water | Ground Loop | WLHP
  • AHRI tonnage: 4.823916666666666 | 4.596583333333333 | 4.461416666666667
  • Verified catalog model: GSK048A3
  • Verified product family: Axiom Rooftop Water Source Heat Pump
  • Verified catalog brand: Trane
  • Verified model family: GSK
  • AHRI model/pattern: GSK048A3
  • Base catalog model/pattern: GSK048A3
  • Application: commercial rooftop water-source heat pump
  • Nominal capacity: 4 ton
  • Refrigerant: R-454B
  • Official product page: https://www.trane.com/commercial/north-america/us/en/products-systems/packaged-units-and-split-systems/water-source-heat-pumps/rooftop-wshp.html
  • Configuration: rooftop WSHP packaged unit
  • Unit controller family: Symbio 700

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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Eligible Ground Water | Ground Loop | WLHP

AHRI 215746916

AHRI 215746916 identifies a Mass Save qualified Ground Water | Ground Loop | WLHP from TRANE with outdoor unit GSK048A3.

Service planning

How GreenFlow handles GSK048A3 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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Our Happy Customers

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...

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Jenny W.

Great service! On time, knowledgeable & professional

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

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