Glow Worm Micron 50FF

[Gods dad]

Hello all.

HELP! does any one know if i need to drain the boiler, to replace the thermistor on a Glow Worm Micron 50FF.

 

[Puddle]

No you do not have to drain boiler,thermistor dry

 

[Gods dad]

Hello can you tell me why when i undo the brass union nut i get wet?!?!?!

 

[Bernie2]

glow worm micron 50ff

 

[Puddle]

You must be undoing the thermistor houseing or wrong bit because I assure you the thermistor is dry