MacDonald Plumbing Supplies MacValve WRAS Remote Filling Loop Part L Compliant with Gauge

The MacValve WRAS Remote Filling Loop Part L Compliant with Gauge is a practical and compliant solution for filling and pressurising central heating systems and heat interface units. Designed for flexible installation, it can be fitted remotely from the boiler or cylinder, making it ideal where access is limited or no integral pressure gauge is present. Supplied complete with a gauge and essential safety components, it ensures accurate pressure monitoring and safe system operation.

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 Automatic Air Vent ⅛ Chrome

The Automatic Air Vent ⅛ Chrome is an essential fitting for releasing trapped air from heating and plumbing systems automatically. With a sleek chrome finish and compact design, it ensures smooth system operation while enhancing the aesthetic appeal of installations. Suitable for residential and commercial systems, this vent is highly reliable and easy to install.

MacDonald Plumbing Supplies MacVent 15mm Compression Air Vent

The MacVent 15mm Compression Air Vent is a versatile manual air vent designed for use with 15mm compression fittings in heating, cooling, and other wet systems. Manufactured from durable brass, it can replace a standard 15mm olive to provide a convenient venting point. Suitable for both temporary and permanent applications, it offers a reusable and practical solution for installers working on vented and unvented systems.

MacDonald Plumbing Supplies MacVent 15mm Auto Air Vent Compression

The MacVent 15mm Auto Air Vent Compression offers a high-quality solution to prevent trapped air in heating systems. Built from premium materials, it operates efficiently under pressures up to 10 bar and temperatures up to 100°C, providing consistent and reliable performance in residential and commercial heating applications.