Spirax Sarco Canada Ltd.
Bydrain freeze protection liquid expansion trap is a stainless-steel, fixed-temperature discharge trap that continuously monitors the temperature in the pipes. The trap is firmly closed at 45 F, but as the temperature of the liquid cools to 36 F the trap opens, discharging any liquid in the pipe.
HID: Amico
Butlr: Smart Cleaning
Brass Knuckle: SmartSkin
Kidde Commercial: MiniLaser
Parador: Maradune