TEMPERATURE LIMITING DEVICE 1. 2. 3. 4. 5. 6. The ring (TR) around the cartridge (7) allows the maximum output temperature to be limited in order to avoid the accidental scalding. The ring is factory pre-set to the highest setting allowing the greatest flow of hot water (fig. 6.2). To set the required temperature: Cut off the supply of hot and cold water to the faucet.