Based on this product's specifications, here are some alternatives and similar models
2-way valve Flowair SRQ2 with electric actuator 1/2" - model 10803
Summary description:
Flowair 2-way valve SRQ2 with an integrated electric actuator, size 1/2" (model 10803). This valve is designed to control fluid flow in HVAC and heating systems by opening or closing a single channel. Key characteristics include two-way functionality and an electric actuator for automated on/off or modulating control. Suitable for installation in residential and commercial heating circuits and ventilation units where compact electrically driven flow control is required.