High Pressure(Range: 58 to 580 PSI), Media Designed Pressure Switch Type G 1/4, Connection Size AC15=4 A, 440 V Supply for Factories by Danfoss Model: KPS-45: Amazon.com: Industrial & Scientific
Watts 1 1/4 in Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry (1 1/4 LF007M2-QT): Plumbing Equipment: Amazon.com: Tools & Home Improvement
Appli Parts ac Vacuum Pump 3.0 CFM 1/4 HP 1 Stage 115 Volts 60 Hz for Heating Air Conditioning and Refrigeration Systems for Home and Auto Applications APVCP-311
Source Rexroth solenoid directional valve 5776070220 on m.alibaba.com
Solenoid valves 2/2-way servo operated type EV220B 15–50