Required Information for Quotation. Come on, give us a clue! No offence, but we do get some incredibly vague enquiries.
We are good, very good, in fact, but not Supernatural.

What we need to know in order to Quote You Happy!
Screwed Immersion Heaters –
D – Screwplug Size (Determines number of elements fittonnable, U Bent or Looped)
I – MAXIMUM Immersed Length (More element = Lower watt density = longer working life)
C – Cold section (First few inches of element are not hot, rest is)
kW power output?
Voltage? Single or Three Phase?
Operating and/or Cutout Temperature?

Flanged Heaters –
The PDF link below –
…will show you this –

…or just the specs – FLANGE HEATER KEY DIMENSIONS list downloadable as a PDF too.

Heating Elements.
U-Bend Example
U-Bend Ends-Up Example
W-Bend Example
W-Bend Ends-Up Example
W06 Element Example
W08 Element Example
Forked W06 Example
L04 Element Example
Coil 1 Example
Coil 2 Example