       windowStartTime += windowSize;
 
     if (millis() - windowStartTime < onTime) {
-      /* if (!heaterIsOn) */
-      /* 	Serial << "Heater on " << millis()/1000 << "\n"; */
       heaterOn();
     }
     else {
-      /* if (heaterIsOn) */
-      /* 	Serial << "Heater off" << millis()/1000 << "\n"; */
       heaterOff();
     }
     

  Serial << STATMSG << "Set duty cycle to " << dutyCycle << ENDMSG;
}
    

void heaterOn() {
  digitalWrite(heaterPin, HIGH);
  heaterIsOn = HIGH;

  while (cmdMessenger.available()) {
    char buf[350] = {'\0'};
    cmdMessenger.copyString(buf, 350);
    if (strncmp(buf, "1", 1) == 0) {
      digitalWrite(pumpPin, HIGH);
    }
