Bi-metallic sensor. Surface-mounted. Control for boilers and wet central heating. 40 to 80°C Set Point Suitable for Uninsulated & Foam-Lagged Cylinders 2 or 3-Wire Installation Double-Insulated Bi-Metallic Sensor Surface-Mounted Fixing Strap Included

Price: £36.99 from Screwfix

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Stockist	Product Name	Price
Screwfix	Honeywell Home L641A Cylinder Stat	£36.99	Temporary unavailable