Description
Reznor 54633 Thermal Expansion Valve Overview
The Reznor 54633 is a precision-engineered Thermal Expansion Valve (TXV) designed for R410A refrigerant systems at a 6-ton capacity. Featuring an externally equalized design and a straight valve body, this TXV delivers accurate refrigerant metering and reliable system performance in demanding commercial and residential HVAC applications.
Connections & Fittings
- Inlet: 3/8″ ODF with Aeroquip female fitting
- Outlet: 1/2″ ODF with Chatleff female fitting
- External equalizer: 1/4″ ODF flare nut connection
- Straight body configuration for simplified installation
Performance Specifications
- Refrigerant: R410A
- Capacity: 6 Ton
- Maximum Operating Pressure (MOP): 660 PSI
- Orifice: Number 6
- Capillary tube length: 30″
- Includes sensing bulb
Key Features
- Externally equalized design for accurate superheat control across long evaporator circuits
- Aeroquip female inlet fitting for secure, leak-resistant connection
- Chatleff female outlet fitting for reliable refrigerant-side sealing
- 30″ capillary tube provides flexible bulb placement during installation
- High MOP rating of 660 PSI — compatible with R410A high-pressure systems
- Number 6 orifice sized for 6-ton R410A system performance
Application
The Reznor 54633 TXV is ideal for use in commercial and light commercial split systems, heat pumps, and air conditioning equipment operating on R410A refrigerant. The externally equalized configuration makes it well-suited for evaporators with significant pressure drop, ensuring consistent superheat control and system efficiency.







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