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 15mm Water Shock Arrestor - Diaphragm

The MacShock 15mm Water Shock Arrestor - Diaphragm is a highly effective solution for eliminating water hammer and pressure surges in plumbing systems. Its compact size allows for flexible installation in confined spaces, while the internal diaphragm technology efficiently absorbs sudden changes in water flow. This shock arrestor is ideal for use with water meters, non-return valves, and appliances such as dishwashers and washing machines. Fully WRAS approved, it ensures quieter operation and long-term protection for your plumbing network, safeguarding boilers, pipes, and fittings from damage caused by hydraulic shock.

Inta Zilmet Cal-Pro 4 Litre Heating Expansion Vessel & Mounting Bracket Z1-301004

The Zilmet Cal-Pro 4 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301004) ensures optimal performance and safety in closed heating systems. Featuring carbon steel construction and an SBR synthetic rubber diaphragm, this vessel is suitable for all heating system types. Its hard-wearing epoxy polyester powder-coated finish ensures durability, while 100% factory testing guarantees reliability. Fully CPR compliant and with a maximum working temperature of 90°C, it's a trusted choice for maintaining pressure and reducing energy consumption.

Inta Zilmet Cal-Pro 8 Litre Heating Expansion Vessel & Mounting Bracket Z1-301008

The Zilmet Cal-Pro 8 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301008) ensures optimal performance and safety in closed heating systems. With its carbon steel construction, SBR synthetic rubber diaphragm, and hard-wearing epoxy polyester powder-coated finish, this vessel is suitable for all heating system types. Fully CPR compliant and factory tested for reliability, it helps maintain pressure and reduces energy consumption, maximizing system efficiency.

Inta Zilmet Cal-Pro 12 Litre Heating Expansion Vessel & Mounting Bracket Z1-301012

The Zilmet Cal-Pro 12 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301012) ensures reliable performance in closed heating systems. With its carbon steel construction, SBR synthetic rubber diaphragm, and durable epoxy polyester powder-coated finish, this vessel is suitable for all heating system types. Fully CPR compliant and factory tested for 100% reliability, it helps maintain pressure and reduces energy consumption, optimizing system efficiency.

Inta Zilmet Cal-Pro 18 Litre Heating Expansion Vessel & Mounting Bracket Z1-301018

The Zilmet Cal-Pro 18 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301018) ensures efficient operation in closed heating systems. Featuring carbon steel construction, SBR synthetic rubber diaphragm, and a durable epoxy polyester powder-coated finish, this vessel is compatible with all heating system types. Fully CPR compliant and factory tested for reliability, it helps maintain optimal pressure and minimizes energy consumption, promoting system longevity and efficiency.

Inta Zilmet Cal-Pro 24 Litre Heating Expansion Vessel & Mounting Bracket Z1-301024

Elevate your heating system's performance with the Zilmet Cal-Pro 24 Litre Heating Expansion Vessel & Mounting Bracket. Crafted for closed systems, it effectively manages water volume fluctuations due to temperature changes, ensuring consistent pressure levels. Constructed from durable materials and compliant with industry standards, it offers reliability and longevity for optimal heating efficiency.

Inta Zilmet Cal-Pro 35 Litre Floor Standing Heating Expansion Vessel Z1-302035CP

Elevate your heating system's performance with the Zilmet Cal-Pro 35 Litre Floor Standing Heating Expansion Vessel. Designed for closed systems, it effectively manages water volume fluctuations caused by temperature changes, ensuring consistent pressure levels. Constructed from durable carbon steel with an SBR synthetic rubber diaphragm, it offers reliability and longevity. Fully compliant with CPR standards and factory tested for quality assurance, it's an ideal choice for maintaining energy-efficient heating.

Inta Zilmet Cal-Pro 50 Litre Floor Standing Heating Expansion Vessel Z1-302050CP

Elevate your heating system's efficiency with the Zilmet Cal-Pro 50 Litre Floor Standing Heating Expansion Vessel. Crafted from durable carbon steel with an SBR synthetic rubber diaphragm, it effectively manages water volume fluctuations caused by temperature changes. Fully compliant with CPR standards and factory tested for reliability, it ensures consistent pressure levels and reduced energy consumption. Suitable for all heating systems, it's a dependable choice for maintaining optimal performance.

Trappex Expansion Vessel Service Valve ¾

Ensure efficient maintenance of your heating system with the Trappex Expansion Vessel Service Valve. This valve offers convenient access for draining, repressurising, and adding chemical inhibitor to your expansion vessel. With its integrated filling loop assembly and isolation capability, it simplifies maintenance tasks while minimising downtime.

Trappex Expansion Vessel Bracket

Securely and precisely connect your expansion vessel to your heating system with the Trappex Expansion Vessel Bracket. Designed for installations with limited space, this bracket ensures reliable support and functionality for expansion vessels ranging from 2 to 25 litres.

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.

Rob Pond Expansion Vessel Bar Kit

The Rob Pond Expansion Vessel Bar Kit provides all the components necessary for accurate pressure regulation in your plumbing system.

Rob Pond Expansion Vessel Service Valve

The Rob Pond Expansion Vessel Service Valve - EVSRV provides an easy solution for service and maintenance of expansion vessels.