diff -r 244de612c572 -r b73490398368 thermferm/units.c
--- a/thermferm/units.c	Sat Aug 02 22:33:15 2014 +0200
+++ b/thermferm/units.c	Sun Aug 03 22:49:33 2014 +0200
@@ -110,9 +110,9 @@
 		     * value with the previous one. If the difference is too
 		     * much, we don't send that value. That also means that if
 		     * the next value is ok again, it will be marked invalid too.
-		     * Maximum error is 20 degrees for now.
+		     * Maximum error is 40 degrees for now.
 		     */
-		    deviation = 20000;
+		    deviation = 40000;
 		    if ((unit->air_temperature == 0) ||
 			(unit->air_temperature && (temp > (int)unit->air_temperature - deviation) && (temp < ((int)unit->air_temperature + deviation)))) {
 			unit->air_temperature = temp;
@@ -135,7 +135,7 @@
 	    if (unit->beer_address) {
 		rc = read_w1_28(unit->beer_address, &temp);
 		if (rc == DEVPRESENT_YES) {
-		    deviation = 20000;
+		    deviation = 40000;
 		    if ((unit->beer_temperature == 0) ||
 		    	(unit->beer_temperature && (temp > (int)unit->beer_temperature - deviation) && (temp < ((int)unit->beer_temperature + deviation)))) {
 		    	unit->beer_temperature = temp;