Hydroquip heater sales guide :

This style of heater, the positions of the mounting screws and pressure switch location, can be found under 3 different part numbers. Each of these part numbers use exactly the same chassis. The only change is in the power of the heater - either 2kw or 3kw.

Known European part numbers are :

• 26-0071D
• 26-0058D
• 26-0071F

You should cross reference these 3 numbers above and use the pictures to identify and then choose either 2kw or 3kw using the drop down box. 

IMPORTANT NOTE : There is another breed of Hydroquip heater, a 2kw short tube (13-1/2") 26-0070 coded .... for this heater you will need to replace the element because it is no longer available. A 2kw Standard Style heater element will fit in this heater.

Supply note : Despite the pictures, the heater is no longer supplied with tailpieces, collars or seals. You don't need generally need tailpieces and the split collars and seals can be swapped across from the dead heater.