- Free-floating piston type valves reduce o-ring wear
- Extra access port for vacuum line
- Silicone dampened gauges smooth out needle movement
- Gauges can be easily recalibrated in the field to maintain accuracy
- Extra large sight glass for visual refrigerant check
- Large easy-to-grip knobs
- Hoses not included
The Mastercool 59103 Brass R22/R404A/R410A 2-Way Manifold Gauge Sets come complete and ready to work. With features like brass body, large knobs, free-floating piston type valves, silicone dampened gauges that are easily re-calibrated in the field for increased accuracy, additional access port for vacuum line and an extra large sight glass. Includes 3 1/8" silicone dampened gauges for smooth needle movement, displaying R22, R404A and R410A refrigerants pressure and temperature correlations with 1/4" SAE fittings. Manifold and gauges only hoses are not included.