170 Thermostat?

Get the 10 degree controller?
16759

• Adjustable turn-on temperature from 150-240°F
• Turn-off temperature is preset at 10°F below turn-on temperature

Also do you control the 2 fans together? Maybe run 1 fan all the time and control the 2nd fan? It says this model wont control certain hi amp draw fans but you can fix that with a relay.