You just selected:
Code Gecko
510AD0249
PRESSURE SWITCH 2PSI (replaces 510AD0167)
PRESSURE SWITCH 2PSI (replaces 510AD0167)
You should also consider these companion products:
Code Gecko
0202-205160
SC-MP-P122-P212-B1-CP1-01-AU11-H4.0-LCD-JJM-SBD
Code Gecko
0202-205163
SC-MP-P122-P212-B1-CP1-01-LCD-H4.0-AMP-SBD
Code Gecko
9920-100346
HEATER: HEAT.WAV, 4KW, 2'', 2PSI, M-CLASS