Best Esteemed Plumber Subscribed Messages 10,033 Apr 11, 2015 #16 The G3 exam usually always covers that with a question about maximum limit of immersion heaters. All new immersion heater stats must have a built in manual (not auto!) resettable cut out in the stat for if the stat itself fails to shut off.
The G3 exam usually always covers that with a question about maximum limit of immersion heaters. All new immersion heater stats must have a built in manual (not auto!) resettable cut out in the stat for if the stat itself fails to shut off.