 }
 
 void print_temps(float tank_temp, float collector_temp) {
-/*
-  time_t t = now();
-  Serial.print(year(t));
-  Serial.print("-");
-  Serial.print(month(t));
-  Serial.print("-");
-  Serial.print(day(t));
-  Serial.print(", ");
-
-  Serial.print(hour(t));
-  Serial.print(":");
-  Serial.print(minute(t));
-  Serial.print(":");
-  Serial.print(second(t));
-  Serial.print(", ");
-*/
   Serial.print(tank_temp);
   Serial.print(", ");
 

  }

  // If collector is significantly colder than tank, pump is off
  else if (tank_temp > collector_temp + off_threshold) {
    //Serial.println("# Collector is colder than tank, pump off");
    no_pump();
  }


float tank_max_temp = 140;      // Deg. F; above this, pump is off
float collector_min_temp = 40;  // Deg. F; below this, pump is off
float on_threshold = 20;        // Deg. F differential before pump turns on
float off_threshold = 10;       // Deg. F differential before pump turns off
int interval = 30000;           // Delay in ms between readings

/*
