diff --git a/Marlin/configurator/config/Configuration.h b/Marlin/configurator/config/Configuration.h
index 89bfe5c18f8..57ec74f9bef 100644
--- a/Marlin/configurator/config/Configuration.h
+++ b/Marlin/configurator/config/Configuration.h
@@ -234,6 +234,8 @@ Here are some standard links for getting your machine calibrated:
 // so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
 #define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
 
+//#define PID_BED_DEBUG // Sends debug data to the serial port.
+
 #ifdef PIDTEMPBED
 //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
 //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index 12a82f5899e..17da67953bf 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -215,6 +215,8 @@ Here are some standard links for getting your machine calibrated:
 // so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
 #define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
 
+//#define PID_BED_DEBUG // Sends debug data to the serial port.
+
 #ifdef PIDTEMPBED
 // Felix Foil Heater
    #define DEFAULT_bedKp 103.37
diff --git a/Marlin/example_configurations/Felix/Configuration_DUAL.h b/Marlin/example_configurations/Felix/Configuration_DUAL.h
index 9b1f10263e1..9766961a501 100644
--- a/Marlin/example_configurations/Felix/Configuration_DUAL.h
+++ b/Marlin/example_configurations/Felix/Configuration_DUAL.h
@@ -215,6 +215,8 @@ Here are some standard links for getting your machine calibrated:
 // so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
 #define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
 
+//#define PID_BED_DEBUG // Sends debug data to the serial port.
+
 #ifdef PIDTEMPBED
 // Felix Foil Heater
    #define DEFAULT_bedKp 103.37
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index 22db0e955ac..1ff5c482ebf 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -259,6 +259,8 @@ Here are some standard links for getting your machine calibrated:
 // so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
 #define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
 
+//#define PID_BED_DEBUG // Sends debug data to the serial port.
+
 #ifdef PIDTEMPBED
 //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
 //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)