Description
MalcoEdge RTW375 3/8″ Flare Nut Torque Wrench
Reliable Flare Tightening Without the Guesswork
The MalcoEdge RTW375 Flare Nut Torque Wrench delivers consistent, repeatable torque for 3/8″ flare fittings commonly used in HVACR and mini-split installations. Factory preset to 28 ft-lbs (±1.5 ft-lbs), the RTW375 helps technicians achieve proper flare connection torque while reducing the risk of refrigerant leaks, system inefficiencies, and costly callbacks. Its compact ratcheting head and open-end claw design provide easy access around installed tubing and fittings, making it ideal for work in tight equipment compartments and line set spaces. Fully mechanical construction eliminates the need for batteries, electronics, or calibration.
Key Features & Benefits
- Factory preset to 28 ft-lbs (±1.5 ft-lbs) for 3/8″ flare nuts
- Fits 13/16″ hex flare fittings
- Open-end claw design slips easily over installed tubing
- Ratcheting head improves productivity in confined spaces
- Fully mechanical operation requires no batteries or calibration
- Suitable for use in wet jobsite conditions
- Helps prevent over-tightening and under-tightening of flare fittings
- Compact design fits easily in service bags and tool pouches
Specs
| RTW375 Flare Nut Wrench Specs | |
|---|---|
| Tool Type | Flare Nut Ratcheting Torque Wrench |
| Flare Nut Size | 3/8″ |
| Preset Torque Value | 28 ft-lb ± 1.5 |
| Operation | Fully Mechanical |
| Head Style | Ratcheting Open-End Claw Design |








