Heat Pump

Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service and support

Carrier Residential Heat Pump - 50WC Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service details

Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 50WCA009HBA3AABA. Product family: 50WC. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B)
Equipment type: Heat Pump
Product group: Residential Heat Pump - 50WC

Technical snapshot

Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) technical snapshot

Product Specs

Model: 50WCA009HBA3AABA
Manufacturer Number: 50WCA009HBA3AABA
Vendor Number: 50WCA009HBA3AABA
Catalog Brand: Carrier®
Product Family: 50WC
AHRI Usage: Packaged
Air Flow Direction: Horizontal
Blower Motor HP: 1/4
Blower Motor Speeds: 3
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Wheel Diameter: 5 1/2"
Blower Wheel Width: 4 1/2"
Brand: Carrier®
CFM: 350
COP: 3.2-4.6
Color: Silver
Compressor Type: Rotary
Cooling Capacity: 8,300-9,200
Country Of Origin: USA
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
EER: 12.6-18.3
Energy Star Rated: NO
Heating Capacity: 6,700-10,400
Height: 11.5
Length: 33
Locked Rotor Amps (LRA): 20
Maximum Overcurrent Protection (MOCP): 15
Metering Device: TXV/TEV - Thermostatic Expansion Valve
OPT Code: 1P50WCA009HBA3AABA
Phase: Single
Prop 65: YES
Rated Load Amps (RLA): 3.3
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): 10 x 16 x 1
Stages Cooling: 1
Stages Heating: 1
Tier: Aquazone™
Tonnage: 0.75
Voltage: 208-230 VAC
Weight: 106
Width: 19

Useful troubleshooting details

Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) requests

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.

Describe the service issue

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

Review access and history

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

Plan the next step

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

Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service questions

Can GreenFlow help with Carrier Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B)?

Helpful symptoms include no heat, no cooling, weak airflow, defrost or outdoor icing concerns, auxiliary heat behavior, thermostat issues, short cycling, unusual noise, and whether the request is urgent or planned maintenance.

Is Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) used for residential or commercial properties?

Heat pump requests may come from homes, condos, multifamily properties, managed buildings, and light-commercial spaces depending on the system type and building layout.

What helps schedule Carrier® Aquazone™ - .75 Ton Compact Water Source Heat Pump Horizontal Right Return (R-454B) service faster?

Share the exact model and serial number if available, clear photos of the equipment and surrounding access area, current symptoms, recent maintenance history, and whether the request is repair, maintenance, or replacement planning.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

View All

Our Happy Customers

Qin S.

I had a great experience with Green Flow Solution. They were responsive, professional. The technician quickly diagnosed the issue and explained everything clearly. The repair was done efficiently, and the system is running perfectly now. I really appreciated their honesty, and excellent customer service. Highly recommended for anyone...

William H.

Called these guys on a Friday night, they showed up in 24 hours and fixed the problem in 35 minutes for under $300. Absolutely will use them again.

Terry S.

Andrey as usual prompt in arrival and efficient in service plus excellent communication.

Truc S.

I was frustrating about my heat system, they were very responsive and efficient. Andrey show up at my house after 30 mins from my call and on Sunday. He very acknowledge what is he doing. Thank you so much

Murali S.

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

Megan S.

Great service - my air conditioning failed after hours on a Sunday. I could schedule the appointment online for Monday morning and the technician quickly diagnosed the problem and fixed it. Super helpful- will use them again!