PresAir Pressure Switch PM21120A Presair takes pride in quality Presair’s adjustable pressure switch is field adjustable from 1.5 inches of water to 125 Psi. The adjustable range is 10% to 25% lower on falling pressure, although special differentials are available. Dual pressures switches available and can be factory set to allow each snap action switch to operate at a different pressure setting.
Additional Information
| Thread Material | Plastic |
| Inlet Size/Outlet Size | 1/8″ MPT |
| Amperage (Amps) | 21 |
Alternate Part Numbers
- PM21120E (Presair)
- 70-1028 (Royal)
- 5-20-0019
- 47-369-1005
