Hydromat Services stock a large Range of heavy Duty Pressure Regulator Valves, Safety Valves and Thermal Protection Valves. Pressure Regulator Valves are used to control the running and the unloading Pressure of your High Pressure Cleaner, whereas Safety Valves are used as a secondary protection device should the Regulator fail. Thermal Protection Valves protect the pump from overheating and costly damage to the pump. Please click on the pictures below or call us on 1300 688 708 for more information. Thank you.