Unidentified Object (UO)

[dale farley]

Does anyone know what this plug is for? It is located by my oil reservoir. It appears to be the male end of a 110 plug.

[Alek&Lucia]

Dale,

It is for block heater for winter,

Alek

[dale farley]

Thanks Alek. I also have a switch on my dash that says block heater. I think the switch is tied to the Aqua Hot.