used for air conditioning, refrigeration, heating system, etc, to realize automatic control requests. shape classification 1. 2x6.35 250, 2x1/4 male spade terminal, copper or flare 2. UL1015 18AWG, UL1025 18AWG lead wire, copper connection 3. UL1015 18AWG, UL1015 18AWG lead wire, flare connection working type classification 1. high pressure reset 2. low pressure reset 3. manual reset fitting classification 1. 7/16-201/4female flare 2. 1/8-271/8male pipe thread 3. 1/4-181/4male pipe thread 4. 3/8-243/8male O-ring fitting 5. F6.35x57.51/4 solder 6. 7/16-201/4male flare 7. f5x531/4 solder 8. f2.4x9153/32capillary tube lead wire classification 1. 2x6.35 2x1/4male spade terminal 2. 150mm 6UL1015 18AWG lead wire 3. 305mm 12UL1015 18AWG lead wire 4. 455mm 18UL1015 18AWG lead wire 5. 610mm 24UL1015 18AWG lead wire 6. 760mm 30UL1015 18AWG lead wire 7. 915mm 36UL1015 18AWG lead wire 8. 1220mm 48UL1015 18AWG lead wire 9. 1525mm 60UL1015 18AWG lead wire