-,"/dev/shm/rtl_433-9-172-humidity" using ($1+tz_secs):($2) with lines title "vani" \
-,"/dev/shm/rtl_433-9-75-humidity" using ($1+tz_secs):($2) with lines title "kupaona" \
-,"/dev/shm/rtl_433-9-141-humidity" using ($1+tz_secs):($2) with lines title "kuhunja"
+,"/dev/shm/rtl_433-vani-humidity" using ($1+tz_secs):($2) with lines title "vani" \
+,"/dev/shm/rtl_433-kupaona-humidity" using ($1+tz_secs):($2) with lines title "kupaona" \
+,"/dev/shm/rtl_433-kuhinja-humidity" using ($1+tz_secs):($2) with lines title "kuhunja" \
+,"/dev/shm/boiler.d" using ($1+tz_secs):($2 > 0 ? 48 : 2) axes x1y2 with dots title "boiler on/off" lt rgb "#000000"