Danfoss 017-521566 Pressure switch, RT121

Regulation range [bar] Pe: -1.00 - 0.00, Differential [bar]: 0.09 - 0.40, Reset function: Auto, Pressure connection type: G, Pressure connection size: 3/8, Enclosure rating IP: IP66, Max. Working Pressure [bar]: 7.0

Danfoss 017-520466 Pressure switch, RT116

Regulation range [bar] Pe: 1.00 - 10.00, Differential [bar]: 0.33, Reset function: Manual Max, Pressure connection type: G, Pressure connection size: 3/8, Enclosure rating IP: IP54, Max. Working Pressure [bar]: 22.0