FrostCheck Test Kit The adaptor attaches to the

The adaptor attaches to the bottle in place of the screw-top lid to reduce the risk of spillage when dosing into radiators

Non-electric softener

Ideal for hard water areas

Tapered nozzles supplied will fit most radiator air vents

FrostCheck Test Kit The adaptor attaches to theConfirm the level of anti freeze inside ground and air source heat pump systems. The Sentinel FrostCheck Test Kit is designed for use on both installation and maintenance of Ground or Air Source Heat Pump systems that use glycol based heat transfer (thermal) fluid to monitor the level and condition of the antifreeze thermal fluid inside the system. Kit Includes: Pack of pH papers Mini InfraRed thermometer Refractometer Sample bottle Plastic dropper