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Revision to Choosing a bed heater


Use a low voltage drop DC/DC SSR such as the Auber Instruments MGR-1DD80D100 or Crydom DC100D40. The SSR may need a heatsink, depending on the current. Do not be tempted to use a cheap DC-DC SSR such as the SSR-40DD, which is basically useless for this application because of its high voltage drop.
==== Configuring bed hater ====
add M305 command to config.g [[[Gcode#Section_M305_Set_temperature_sensor_parameters|M305 command specs]]]
if you want to remove heatbed from the system add
M140 H-1

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