Description
The Burnham Boiler 822604 is a precision-engineered Thermal Expansion Valve (TXV) designed for R410A refrigerant systems with capacities up to 5 tons. Its externally equalized, straight-body design delivers accurate superheat control across a wide range of operating conditions, making it a dependable choice for residential and light commercial split systems. The integrated internal check valve eliminates the need for a separate component in heat pump and reversing refrigeration applications — reducing system complexity, minimizing potential leak points, and streamlining installation.
Key Features
- R410A compatible for modern high-efficiency systems
- 5-ton capacity for residential and light commercial applications
- 195 PSI MOP charge protects the compressor from high suction pressure during startup or abnormal load conditions
- 1/2″ inlet (liquid line) x 5/8″ outlet (suction line) sweat (ODF) connections
- Straight body configuration for straightforward installation
- 5-foot capillary tube for flexible bulb placement
- Externally equalized design compensates for pressure drops across evaporator distributors
- Built-in internal check valve simplifies heat pump and reversing system installations
Application & Benefits
The external equalizer port compensates for pressure drops across the evaporator distributor, making this TXV ideal for multi-circuit evaporator coils common in split systems. The 195 PSI MOP charge safeguards the compressor against high suction pressure during startup or abnormal load events — a critical protection feature for R410A systems that operate at elevated pressures. By incorporating an internal check valve directly into the valve body, this TXV eliminates an additional component in heat pump installations, reducing both system complexity and the number of potential refrigerant leak points.
Specifications
- Brand: Burnham Boiler
- SKU: 822604
- Part Number: AACE 5 SW195 5FT 1/2 X 5/8 ODF S/T
- Refrigerant: R410A
- Capacity: 5 Ton
- MOP Charge: 195 PSI
- Inlet Connection: 1/2″ ODF Sweat
- Outlet Connection: 5/8″ ODF Sweat
- Body Type: Straight
- Capillary Tube Length: 5 Feet
- Equalization: External
- Check Valve: Internal
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