MacDonald Plumbing Supplies MacAntifreeze Valve 28mm V2

The MacAntifreeze Valve 28mm V2 is a highly effective solution for protecting heat source pump systems from freezing temperatures. Automatically activating when the temperature drops to 3°C, this valve opens the flow and return circuit to prevent ice formation, safeguarding the system from potential damage. With no need for glycol or ongoing maintenance, it offers a cost-effective and low-maintenance solution to ensure smooth operation in cold weather.