Amazon.com: GamaTech Pressure Switch for Water Pump and Air Pump, Digital Adjustable Pressure Controller, 110V, 0-145 Psi, 1/2" Male Npt : Industrial & Scientific
Adjustable Pressure Switch Single And Dual Pressure Control 1-30bar Automatic And Manual Reset Suppliers and Manufacturers - Factory Direct Price - Purity
Dwyer Avs-350 Adjustable Pressure Switch | Set Point Range 6.0-21.5" Hg (15.2-54.6 Cm Hg) Increasing | 8.4-28.2" Hg (21.3-71.6 Cm Hg) Decreasing | ±4.0" Hg (10.2 Cm Hg) Repeatability | 2.6-7.3" Hg (6.6-18.5 Cm Hg) Deadband. | Blackhawk Supply