Originally Posted by Mike D

Unfortunately the M110 block is lacking in threaded ports. There are several clean-out plates on the RH side which can be used with just a bit of engineering.

Attachment 147674

Attachment 147675

Attachment 147676

Attachment 147677

The cavity on the plate I have removed is apx. 1.5" deep. Shouldn't be too much trouble for an engineer to create a replacement plate using a bung as a receiver for the heating element. Hundreds of different elements available in many different configurations.