About This Product
| Compatible with First Co HXS fan coils (1.5-3 tons) | 
|---|
| Required for use with R-454B refrigerant | 
| Not compatible with R-32 refrigerant | 
| For R-32, use # 212010 | 
| Compatible with First Co HXS fan coils (1.5-3 tons) | 
|---|
| Required for use with R-454B refrigerant | 
| Not compatible with R-32 refrigerant | 
| For R-32, use # 212010 |