Mikrofill

MikroPro Potable XP Expansion Vessel - 500 Litre Capacity - 10 bar. This range serves heating, chilled and potable (drinking) water systems, with capacities up to 500 Ltrs to suit a wide variety of installations for commercial or residential. This item comes without a wall mount bracket.

Built for hygiene and durability, all internal surfaces in contact with water are corrosion-protected for potable use, and models from 50–500 Ltrs feature a replaceable diaphragm for straightforward maintenance.

• Capacity options: 12–500 Ltrs
• Rated pressure: up to 10 Bar
• Potable-safe construction: coated internal wetted surfaces
• Serviceable design: replaceable diaphragm (50–500 Ltrs)

Vessels are PED 97/23/EC compliant, rated to 70 °C, and supplied with threaded connections and a durable powder-coated finish for long service life.

The Mikrofill Ethos 350 Condensing Boilerr Service Kit is a comprehensive OEM set for scheduled maintenance of Ethos 350 boilers, helping restore combustion seals and ignition components for safe, efficient operation.

Supplied with paired gaskets and ignition parts for a complete service, the kit includes burner door, burner and fan gaskets, gas valve gaskets for specified valve types, plus new ignition electrodes and ionisation probes.

• All-in-one OEM kit for Ethos 350 routine servicing
• Compatibility with gas valve types VR425VA, VR432VA and VR4615V
• Fast turnaround — replace critical seals and ignition parts in one visit
• Reliability — helps prevent leaks and ensures stable ignition/ionisation

Confirm your boiler's gas valve type before ordering, to make sure the correct gasket set is used.

The Mikrofill Dosing Pot - 3.5 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 6 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 11 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 18 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot -25 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 35 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 40 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill Dosing Pot - 3.5 Litres - 10 Bar. is a wall-mounted chemical dosing vessel for adding corrosion inhibitors or anti-freeze into closed LPHW and CHW systems. Simple to operate and easy to flush clean, all system connections can be isolated via integrated ball valves.

Fabricated from AISI 304 Stainless Steel with welded construction and a tundish, each unit is compliant with PED 2014/68/EU. Sizes span 3.550 Ltrs with robust BSP connections, a maximum working pressure of 10 Bar and a maximum operating temperature of 90 C.

• Wall-mounted stainless construction for durability and hygiene
• Isolatable connections for safe, controlled dosing
• Fast flush and clean to minimise downtime
• PED 2014/68/EU compliant for assured quality

Standard BSP connections and supplied valves/fittings simplify installation across commercial heating and chilled water systems.

The Mikrofill MAXI PLUS AP 240 Pressurisation Dual Pump unit is a high-capacity, floor-standing pressurisation unit for large domestic, commercial and industrial sites. It maintains stable pressure across sealed heating, chilled water, refrigeration and industrial cooling systems.

Compact to install and quick to commission, MAXI AP uses an advanced microprocessor-controlled platform with Ai100 technology for accurate, efficient management. Choose single or twin-pump configurations with intuitive digital controls and real-time status.

• BMS-ready: Modbus RTU plus 4 programmable volt-free relays
• Precise control: stable, accurate pressure regulation
• Cold fill options: up to 3.9–8.0 Bar (model dependent)
• Category 5 backflow protection with Type AB air gap

A robust, powder-coated steel enclosure with adjustable feet and self-diagnostic electronics ensures dependable long-term performance and easy integration with Building Management Systems.

The Mikrofill MINI SPU130 - 3 bar. is a compact, digital pressurisation unit for domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling.

Wall-mounted for easy install and commissioning, it delivers a 3.0 Bar cold fill and integrates a 2 Ltrs tank, making it ideal for systems up to 6,000 Ltrs.

• Digital control with LED display
• Automated top-up for consistent pressure
• High-flow, KIWA-approved fill valve
• Category 5 backflow protection (Type AB air gap)

Outlet can be configured left or right using the supplied flexible hose, keeping installs neat in tight plant spaces.

The Mikrofill MINI SPU230 - 3 bar. is a compact, digital pressurisation unit for domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling.

Wall-mounted for easy install and commissioning, it delivers a 3.0 Bar cold fill and integrates a 2 Ltrs tank, making it ideal for systems up to 6,000 Ltrs.

• Digital control with LED display
• Automated top-up for consistent pressure
• High-flow, KIWA-approved fill valve
• Category 5 backflow protection (Type AB air gap)

Outlet can be configured left or right using the supplied flexible hose, keeping installs neat in tight plant spaces.

The Mikrofill MIDI SPU135 Pressurisation Unit is a versatile pressurisation unit for larger domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling. Floor or wall mountable.

Its compact design allows wall or floor mounting for fast installation and commissioning. An advanced digital control system with automated fill and top-up ensures precise pressure management, supported by a high-flow, KIWA-approved fill valve and flexible connection options.

• Mid-range power for systems up to 150,000 Ltrs
• Digital control with LCD display
• Automated system fill & top-up
• Compact footprint — wall or floor mount

With an 8 Ltrs integral tank and cold fill capability to 4.1 Bar, inlet and outlet can be configured left or right using the supplied flexible hoses. Category 5 backflow protection (Type AB air gap) adds safety and compliance.

The Mikrofill MIDI SPU135 Pressurisation Unit is a versatile pressurisation unit for larger domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling. Floor or wall mountable.

Its compact design allows wall or floor mounting for fast installation and commissioning. An advanced digital control system with automated fill and top-up ensures precise pressure management, supported by a high-flow, KIWA-approved fill valve and flexible connection options.

• Mid-range power for systems up to 150,000 Ltrs
• Digital control with LCD display
• Automated system fill & top-up
• Compact footprint — wall or floor mount

With an 8 Ltrs integral tank and cold fill capability to 4.1 Bar, inlet and outlet can be configured left or right using the supplied flexible hoses. Category 5 backflow protection (Type AB air gap) adds safety and compliance.

The Mikrofill MIDI SPU135 Pressurisation Unit is a versatile pressurisation unit for larger domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling. Floor or wall mountable.

Its compact design allows wall or floor mounting for fast installation and commissioning. An advanced digital control system with automated fill and top-up ensures precise pressure management, supported by a high-flow, KIWA-approved fill valve and flexible connection options.

• Mid-range power for systems up to 150,000 Ltrs
• Digital control with LCD display
• Automated system fill & top-up
• Compact footprint — wall or floor mount

With an 8 Ltrs integral tank and cold fill capability to 4.1 Bar, inlet and outlet can be configured left or right using the supplied flexible hoses. Category 5 backflow protection (Type AB air gap) adds safety and compliance.