MacDonald Plumbing Supplies MacVessel 8Ltr Heating Vessels Complete With Mounting Bracket

The MacVessel 8Ltr Heating Vessel Complete With Mounting Bracket is designed for use within sealed central heating systems where additional expansion capacity is required. Supplied complete with a mounting bracket, it provides a convenient installation solution for heating engineers and plumbers. The vessel has a maximum working pressure of 6 bar and a working temperature range of minus 10 to 99°C. It features a factory pre charge of 1.5 bar with air, a non replaceable bladder and a system water connection thread manufactured to BS EN ISO 228. The vessel is also CE marked.

MacDonald Plumbing Supplies MacVessel Sealed System Filling Kit

The MacVessel Sealed System Filling Kit provides the essential components required for filling and monitoring sealed central heating systems using expansion vessels from 8 to 80 litres. The kit includes a filling loop with two 15mm compression fittings, a 3 bar safety relief valve and gauge, a 3/4 inch manifold, and a red or blue safety valve cap. Supplied as a convenient kit, it helps installers bring the key components together for efficient system installation and servicing. Suitable for use with a range of sealed heating systems and expansion vessel sizes.

MacDonald Plumbing Supplies MacShock ½ Water Shock Arrestor - Diaphragm

The MacShock 1/2" Water Shock Arrestor - Diaphragm is a compact and efficient device designed to absorb pressure surges and prevent water hammer in plumbing systems. It is particularly useful in systems with water meters, non-return devices, and appliances like dishwashers or washing machines. With WRAS approval, this shock arrestor ensures smooth operation, reduces pipe vibrations, and helps protect boilers and other plumbing components from damage caused by sudden changes in water flow.