Amazon.com: GYL9 AC Residual Current Circuit Breaker Electromagnetic Differential Breaker Safety Switch 4P 40A 63A 100A (Size : 4P 80A, Color : 300mA) : Tools & Home Improvement
Amazon.com: Oxygen On Off Pressure Switch (Range: 25 to 200 PSI) for Oxygen Concentrators and Generators by Danfoss KP 36 Used for Pipeline System with Liquid and Gaseous Media. : Industrial & Scientific
Siemens 141-0574 Powers SW 141 Line Voltage Differential Static Pressure Airflow Switch, Auto Reset Action, Silver - Electronic Components - Amazon .com
Amazon.com: Pressure Switch (Regulation Range: 1.45 to 15.95 psi & Differential Range: 1.015 to 2.32psi) with Pressure Connection 3/8 G | Model: Danfoss RT-112 (with Reducer, Pack of 1) : Industrial & Scientific
Amazon.com: Pressure Control Switch, 120‑240V, Air-Pump Pressure Switch Adjustable Differential ABS Stainless Steel Electric Switch for Home, Garden : Industrial & Scientific
Amazon.com: Bticino ASTGC8813AC25 Kit consisting of 3 Pieces Differential Magnetothermal Switch GC8813AC25, 25A : Home & Kitchen
Amazon.com: Pressure Switch (Regulation Range: 1.45 to 15.95 psi & Differential Range: 1.015 to 2.32psi) with Pressure Connection 3/8 G | Model: Danfoss RT-112 (with Reducer, Pack of 1) : Industrial & Scientific
Amazon.com: UNITED ELECTRIC J21K-150 DIFFERENTIAL PRESSURE SWITCH 0-40PSI D532254 : Industrial & Scientific
Johnson Controls P74EA-8C Differential Pressure Control, SPDT: Electronic Component Switches: Amazon.com: Tools & Home Improvement
Amazon.com: Danfoss Pressure Switch (Range: 1.01 to 2.30 PSI) with Pressure Connection 3/8 G for Air Conditioning System, Heavy Industry, Steam, Liquid, HVAC | Model: RT-112 (Pack of 2) : Industrial & Scientific