Ensure precise temperature regulation and maximum overheat protection with the 4Trade TS220 Dual Safety Thermostat (7 Inch). Engineered for unvented hot water cylinders and immersion heaters, this dual-control rod thermostat integrates an adjustable control thermostat with a high-limit safety cut-out in a single compact 7-inch probe. Built for easy installation and reliable daily performance, it effectively prevents water overheating, safeguarding domestic and commercial hot water systems while maintaining full compliance with current building safety standards. Fits most immersion heaters Dual safety feature Easy to read temperature markings Ideal for retrofit Non self resetting safety feature EN60730 approved