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.

MacDonald Plumbing Supplies MacAnti Freeze Valve 28mm

The MacAnti Freeze Valve 28mm is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.

MacDonald Plumbing Supplies MacAnti Freeze Valve 1"

The MacAnti Freeze Valve 1" is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.

MacDonald Plumbing Supplies MacAnti Freeze Valve 1¼"

The MacAnti Freeze Valve 1¼" is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.