Based on this product's specifications, here are some alternatives and similar models
Plumbing fitting Danfoss 013G1675 thermostatic radiator valve component, single pack
Summary description:
Danfoss 013G1675 is a plumbing fitting intended as a component for Danfoss thermostatic radiator valve assemblies. Supplied as a single-piece pack, this part fits into valve installations where the specified Danfoss model is required. Use for repair or replacement of compatible thermostatic valve units in residential and commercial heating systems.