Based on this product's specifications, here are some alternatives and similar models
TESY HEATABLE ELEMENT 420 2 kW H – immersion heater element WE420
Summary description:
TESY HEATABLE ELEMENT 420 2 kW H is an immersion heating element (model WE420) designed for oil heating applications. It provides 2 kW electrical heating power with a 420 mm length and H-configuration for direct fluid heating. Suitable for replacement or repair of compatible oil heaters and systems requiring reliable immersion heating performance.