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Rheem-Ruud RCBA-3765T Evaporator Coil W/Drain Pan

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Special Price $805.65 Regular Price $894.27

In stock

SKU

RCBA-3765T

The Rheem-Ruud RCBA-3765T Evaporator Coil with Drain Pan is a replacement part. It consists of copper tubing with aluminum fins that will help collect heat and moisture from indoor air that moves over it. Refrigerants circulating through the coil absorb heat as warm air passes over it and cools the flow of air instead. The condensate (humidity) collected on the coil drops into an attached drain pan which directs it away. Versatility is built into this evaporator coil that can beconfigured to meet upflow, downflow, or horizontal airflow needs. Specifically, this model is suitable for systems having cooling capacities between 3.0 to 3.5 tons. Thus, due to its copper make up optimal heat transfer occurs thus leading to a more efficient cooling system.

Categories: HVAC Evaporator Coil, HVAC Ventilation Parts

Manufacturer:

Rheem-Ruud

Specifications

Weight: 26.31lbs
Width: 21"
Depth: 25"
Connection Size: 3/4"

Material: Copper
Coil Configuration: N-coil
Cooling Capacity: 3.0 to 3.5 tons
Type: Evaporator Coil With Drain Pan

Details

Provides indoor cooling through an evaporator coil and integrated condensate-management structure within HVAC systems. The Rheem-Ruud RCBA-3765T Evaporator Coil With Drain Pan contains refrigerant passages that support heat transfer from the air moving across the coil, while the drain pan provides a designated area for moisture collection beneath the coil assembly. During cooling operation, the coil supports thermal exchange and the pan manages moisture generated within the coil compartment, forming an integrated component arrangement.

Evaporator Cooling:
Across the fin-and-tube structure the coil provides the designated surface arrangement for thermal exchange within the indoor air path. Refrigerant-carrying tubes are arranged through the fin structure, creating repeated contact areas around the circulating medium. The resulting configuration supports the transfer of thermal energy between the refrigerant and adjacent air. This section addresses only the coil’s construction and heat-transfer arrangement, without covering moisture collection or drainage.

Drain Pan Integration:
Beneath the coil assembly the pan forms a separate structural compartment for moisture containment within the equipment. Its shaped surface establishes a defined collection area, while the outlet interface provides a designated transition toward the connected drain pathway. The pan’s geometry determines how the collection space is formed beneath the coil. This section addresses only structural integration, containment, and outlet positioning.

Replacement Guidelines:
Replacement requires matching the Rheem-Ruud RCBA-3765T Evaporator Coil with Drain Pan dimensions, refrigerant circuit characteristics, drain pan configuration, connection arrangement, equipment requirements, and applicable HVAC specifications. The RCBA-3765T replacement should also suit the existing air-handling assembly and associated drainage arrangement.

Common Failure Symptoms:

Cooling output becomes weaker than normal.
Condensate leaks from the drain pan.
Evaporator coil develops excessive frost buildup.
Airflow across the coil becomes restricted.
Moisture collects around the indoor coil area.

Equipment Compatibility:
The Rheem-Ruud RCBA-3765T Evaporator Coil W/Drain Pan is intended to integrate with HVAC equipment requiring the corresponding coil and drain-pan configuration. Verify the equipment model, coil dimensions, refrigerant requirements, drainage arrangement, and manufacturer’s documentation before purchasing.

Technical Specifications:
Brand: Rheem-Ruud
Part Number: RCBA-3765T
Product Type: Evaporator Coil With Drain Pan

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Product Questions (10)

Customer Questions

How to install an expansion valve for refrigeration?

Thermostatic expansion valves are an integral part of your refrigeration unit. They are responsible for ensuring the right dosage of refrigerant is entering the cooling coil to ensure maximum efficiency in the air conditioning of the system. These special expansion valves come with a temperature sensor that is mounted at the end of the evaporator coil. They incorporate signals from this sensor to maintain the required temperature of the HVAC system. The thermostatic expansion valve works like a precision device that can regulate the measurements of the liquid refrigerant that flows into the evaporator of your system. This regulation in the flow of the refrigerant is essential to prevent the reverse flow of the refrigerant into the compressor of your system. Through this mechanism, the thermostatic expansion valve successfully separates the high and low pressure sides of the refrigeration/air conditioning system. The liquid refrigerant enters the expansion ...

Can I replace just the evaporator coil without the drain pan?

It's recommended to replace both the evaporator coil and the drain pan together to ensure compatibility and efficient condensate management.

How often should I clean the evaporator coil and drain pan?

Cleaning frequency depends on usage, but generally, it's advisable to clean them annually to maintain efficient performance and prevent mold growth.

What maintenance is required for the Rheem-Ruud RCBA-3765T Evaporator Coil?

Inspect the evaporator coil regularly for dust buildup and clean it to maintain efficient heat transfer. Check the drain pan and drain line for clogs to prevent water overflow and leaks. Ensure refrigerant connections remain tight and free from corrosion. Schedule professional servicing to verify airflow, coil condition, and proper drainage.

What are common issues with the Rheem-Ruud RCBA-3765T Evaporator Coil?

Reduced cooling efficiency.
Leaks or corrosion in the coil.
Clogged drain pan or line.
Uneven airflow or frost buildup.

Why are fins incorporated into the coil structure?

Fins expand the available heat-transfer surface around the refrigerant-carrying tubes, supporting effective thermal exchange with the surrounding air stream.

How does refrigerant support evaporator-coil cooling?

Refrigerant circulating through the coil absorbs thermal energy from the passing air, supporting the temperature reduction required during the cooling cycle.

Where does moisture collect around the coil assembly?

Moisture collects within the designated area beneath the coil, where the integrated pan provides a structured surface for condensate containment.

What establishes the drain pan’s collection pathway?

The formed pan surface and outlet arrangement create a defined route for collected moisture to move toward the connected drainage point.

How can I confirm the RCBA-3765T evaporator-coil assembly before purchasing?

Match the RCBA-3765T designation and evaporator-coil and drain-pan assembly identification with the existing component and applicable air-conditioning equipment information.