Webasto HL90 Air Heater Overheat Switch | 97703A | 34074C

The Webasto HL90 Air Heater Overheat Switch (97703A / 34074C) is a genuine safety cutoff designed for HL90 systems operating on 12V or 24V. This repair part ensures automatic shutdown in case of excessive temperature, protecting the heater and vehicle electrical circuits. Compatible with HL90 models, it provides reliable protection and simplifies maintenance. Technical support is available through Butler Technik to assist with installation, diagnosis, and performance checks, helping you keep your Webasto heater running safely and efficiently.