TRV for 50mm central connection. Opens and closes automatically according to room temperature. Straight version for bottom connection. Hydrosensor Bi-Directional Valve Body Compression Connection Frost Protection Tight Shut-Off 2 Year Manufacturer's Guarantee...

Mini heat alarm with built-in 10-year lithium battery. Detects heat instead of smoke, making it ideal for kitchens or bathrooms. Features empty battery indicator and alarm test button to ensure alarm is still working. Heat sensor reactory range 54-70°C....