You just selected:
Code Gecko
510AD0167
DTEC-1 PRESSURE SWITCH 2.0 PSI
Adjustment: 2.0 PSI
Compatible with: in.clear systems, S-CLASS and M-CLASS systems
You should also consider these companion products:
Code Gecko
9920-100338
HEATER: HEAT.WAV, 4KW, 2'', 2PSI, S-CLASS