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Product Description
R-422B is a refrigerant made to replace R22 efficiently. This product is ideal for both low temperature and medium temperature refrigeration applications. It is formulated to work as a drop-in solution, providing an easy transition for systems previously using R22.
- Drop-in replacement for R22
- Suitable for low and medium temperature refrigeration
- Available in twenty-five-pound tank sizes
Product Highlights
This refrigerant helps maintain system efficiency while ensuring compatibility with existing R22 systems.
Product Features
- All-Aluminum evaporator coil
- Optimized for use with R-32 refrigerant including circuits and manifolds
- R-32 sensor designed for the life span of the coil
- CHPTA model features factory installed thermal expansion valves for cooling and heat pump applications
- Standardized copper suction tube stub length
- Vertical and horizontal models available
- 21" depth for easier attic access
- CHPTA model includes a single front access panel
- Foil-faced insulation covers the internal casing to reduce cabinet condensation
- Galvanized, leather grain-embossed finish
- Rust resistant, thermoplastic drain pans featuring a low water-retention design
- DecaBDE-free thermoplastic drain pan with secondary drain connections
- Drain pan rails designed to remove and reposition coils with ease without compromising structural integrity
- UV-resistant drain pan
- AHRI certified; ETL listed
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Cabinet Features
- Removable grille-style top design compliant with UL 60335-2-40
- Venturi for increased velocity of airflow
- Attractive Architectural Gray powder-paint finish with 500-hour salt-spray approval
- Wire fan discharge grille
- Steel louver coil guard
- Top and side maintenance access
- Single-panel access to controls with space provided for field-installed accessories
- When properly anchored, meets the 2023 Florida Building Code unit integrity requirements for hurricane-type winds (Anchor bracket kits available.)
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Maintenance & Troubleshooting:
- Pressure switches are commonly replaced when a furnace or HVAC system will not complete its startup sequence due to pressure/airflow proving issues.
- Customer feedback commonly associates replacement with resolving a "pressure switch" fault condition and restoring normal operation.
- The provided sources do not include diagnostic procedures; follow the equipment documentation for troubleshooting steps and verification before replacement.
User Reviews & Q&A Summary:
- Review themes indicate the part is commonly described as an exact fit and used as a direct replacement to get a furnace running again.
- Several reviews mention the unit returned to normal operation after installation, including clearing a fault condition related to the pressure switch.
- Additional feedback highlights ease of ordering and timely delivery, and notes that this part fit where other attempted parts did not.
Certifications & Compliance:
- Rheem includes a California Proposition 65 warning for this pressure switch kit on its parts listing
- No other separate certifications or listings are explicitly stated for this part in the provided sources
User Reviews & Q&A Summary:
- Common review themes: direct-fit replacement that fixes "no heat" situations and gets the furnace running again, often described as an easy swap once accessed
- Several reviewers note this is an updated version of the original design and may mount differently (users mention included hardware such as a longer screw/spacer to accommodate the revised mounting)
- Q&A themes emphasize that pressure switch ratings/markings are not interchangeable by appearance alone; customers are advised to confirm the correct part by furnace model/serial rather than substituting based on pressure markings
Product Highlights
7/8" SLÂ Â Â Â Â 
R-32Â Â Â Â Â 
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Horizontal     
3/8"Specs
| Suction Line: | 7/8" |
|---|---|
| Refrigerant Type: | R-32 |
| Ton: | 2 |
| Airflow: | Horizontal |
| Weight (lbs): | 55 |
| Liquid Line: | 3/8" |
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