Description
CWU 12 IBO ITALY diaphragm vessel – expansion vessel for domestic hot water systems
The CWU 12 IBO ITALY diaphragm vessel is a 12 l expansion vessel designed for domestic hot water systems. It accommodates the thermal expansion of water and stabilizes system pressure, limiting fluctuations and reducing how often the water heater or pump switches on. It contains a butyl diaphragm suitable for contact with domestic water and elevated temperatures.
Who it's for
- Water system installers and C.W.U. – the 3/4" connection, butyl diaphragm and vertical or horizontal installation make it easy to adapt to domestic hot water systems.
- Households with a water heater or boiler – the vessel accommodates the increase in hot water volume, limiting pressure fluctuations in the system.
- Systems operating across a wider temperature range – the design, rated for −10 to 100°C, supports domestic hot water systems under various operating conditions.
- Technical maintenance – the butyl diaphragm, resistant to elevated temperatures, reduces maintenance requirements.
Applications
The CWU 12 IBO ITALY diaphragm vessel accommodates the thermal expansion of water in the domestic hot water system, maintaining stable pressure and limiting fluctuations during water heating and consumption.
It is used in domestic and commercial domestic hot water systems, as well as in domestic water pressure systems. The butyl diaphragm is suitable for contact with domestic water. The CWU 12 IBO ITALY diaphragm vessel can be installed vertically or horizontally.
Features of the CWU 12 IBO ITALY diaphragm vessel – description and technical data
The vessel body is made of steel coated with a protective exterior paint that increases corrosion resistance. A butyl diaphragm is fitted inside the steel shell, suitable for contact with domestic water and resistant to the elevated temperatures of hot water. The diaphragm separates the water from the compressed gas cushion, limiting its contact with the inside of the body.
The vessel is supplied with a factory pre-charge pressure of 3.5 bar ±10%, which can be adjusted to suit the specific installation. It is compatible with domestic hot water systems with a maximum operating pressure of 10 bar and a temperature range of −10 to 100°C.
- Type: diaphragm expansion vessel for domestic hot water
- Brand: IBO ITALY
- Capacity: 12 l
- Diaphragm: butyl
- Pre-charge pressure: 3.5 bar ±10%
- Max. operating pressure: 10 bar
- Max. test pressure: 15 bar
- Connection: 3/4"
- Operating temperature: from −10 to 100°C
- Installation position: vertical or horizontal
- Dimensions (Ø × height): Ø24 × 36 cm
- Weight: 4.5 kg
IBO ITALY – 36 months (3 years) manufacturer's warranty. Warranty and post-warranty service is provided by Dambat.
Dambat – a trusted manufacturer of pumps and hydrotechnical equipment with quality certifications.
Frequently asked questions (FAQ) – IBO ITALY 12 L DHW expansion vessel with diaphragm
What is the IBO ITALY 12 L DHW expansion vessel with diaphragm used for?
The IBO ITALY 12 L DHW expansion vessel with diaphragm accommodates the thermal expansion of water in a domestic hot water system and stabilizes the pressure. This reduces pressure fluctuations and how often the water heater or pump switches on.
How does the IBO ITALY DHW vessel differ from the C.W.U. BASIC version?
The IBO ITALY DHW vessel operates across a wider temperature range (from −10°C) and comes with a 36-month warranty. The C.W.U. BASIC version comes with a 24-month warranty. Both series have a butyl diaphragm and are designed for domestic hot water systems.
What is the vessel's pre-charge pressure, and can it be changed?
The factory pre-charge pressure is 3.5 bar ±10%. It can be adjusted to match the system pressure by adding or releasing gas through the valve on the vessel connection, with the system isolated and depressurized.
How do I install the IBO ITALY 12 L DHW expansion vessel with diaphragm?
The vessel can be installed vertically or horizontally, using a 3/4" connection, in a domestic hot water system. An isolation valve is recommended to allow servicing without draining the entire system, as well as checking the pre-charge pressure before startup.
Where can I buy the IBO ITALY 12 L DHW expansion vessel with diaphragm?
The manufacturer does not sell directly. The IBO ITALY 12 L DHW expansion vessel with diaphragm is available from retail partners, plumbing wholesalers, and authorized online distributors.
What warranty does the IBO ITALY 12 L DHW expansion vessel with diaphragm have?
The IBO ITALY 12 L DHW expansion vessel with diaphragm comes with a 36-month (3-year) manufacturer's warranty. Warranty and post-warranty service is provided by Dambat.
- Diaphragm: YES,
- Installation position: Vertical/Horizontal,
- Connection: 3/4",
- Pressure gauge: NO,
- Maximum tested pressure: 15.0 bar,
- Pre-charge pressure: 3.5 ±10%,
- Operating pressure: 10.0 bar,
- Operating temperature: from 0°C to 100°C,
- Dimensions: Ø24/36 cm,
- Weight: 4.5 kg,
MATERIALS
• Body: Carbon steel with a lacquer coating,
• Flange: Galvanized steel
• Diaphragm: EPDM (Italian).
CWU 12 IBO ITALY diaphragm vessel – expansion vessel for domestic hot water systems
The CWU 12 IBO ITALY diaphragm vessel is a 12 l expansion vessel designed for domestic hot water systems. It accommodates the thermal expansion of water and stabilizes system pressure, limiting fluctuations and reducing how often the water heater or pump switches on. It contains a butyl diaphragm suitable for contact with domestic water and elevated temperatures.
Who it's for
- Water system installers and C.W.U. – the 3/4" connection, butyl diaphragm and vertical or horizontal installation make it easy to adapt to domestic hot water systems.
- Households with a water heater or boiler – the vessel accommodates the increase in hot water volume, limiting pressure fluctuations in the system.
- Systems operating across a wider temperature range – the design, rated for −10 to 100°C, supports domestic hot water systems under various operating conditions.
- Technical maintenance – the butyl diaphragm, resistant to elevated temperatures, reduces maintenance requirements.
Applications
The CWU 12 IBO ITALY diaphragm vessel accommodates the thermal expansion of water in the domestic hot water system, maintaining stable pressure and limiting fluctuations during water heating and consumption.
It is used in domestic and commercial domestic hot water systems, as well as in domestic water pressure systems. The butyl diaphragm is suitable for contact with domestic water. The CWU 12 IBO ITALY diaphragm vessel can be installed vertically or horizontally.
Features of the CWU 12 IBO ITALY diaphragm vessel – description and technical data
The vessel body is made of steel coated with a protective exterior paint that increases corrosion resistance. A butyl diaphragm is fitted inside the steel shell, suitable for contact with domestic water and resistant to the elevated temperatures of hot water. The diaphragm separates the water from the compressed gas cushion, limiting its contact with the inside of the body.
The vessel is supplied with a factory pre-charge pressure of 3.5 bar ±10%, which can be adjusted to suit the specific installation. It is compatible with domestic hot water systems with a maximum operating pressure of 10 bar and a temperature range of −10 to 100°C.
- Type: diaphragm expansion vessel for domestic hot water
- Brand: IBO ITALY
- Capacity: 12 l
- Diaphragm: butyl
- Pre-charge pressure: 3.5 bar ±10%
- Max. operating pressure: 10 bar
- Max. test pressure: 15 bar
- Connection: 3/4"
- Operating temperature: from −10 to 100°C
- Installation position: vertical or horizontal
- Dimensions (Ø × height): Ø24 × 36 cm
- Weight: 4.5 kg
IBO ITALY – 36 months (3 years) manufacturer's warranty. Warranty and post-warranty service is provided by Dambat.
Dambat – a trusted manufacturer of pumps and hydrotechnical equipment with quality certifications.
Frequently asked questions (FAQ) – IBO ITALY 12 L DHW expansion vessel with diaphragm
What is the IBO ITALY 12 L DHW expansion vessel with diaphragm used for?
The IBO ITALY 12 L DHW expansion vessel with diaphragm accommodates the thermal expansion of water in a domestic hot water system and stabilizes the pressure. This reduces pressure fluctuations and how often the water heater or pump switches on.
How does the IBO ITALY DHW vessel differ from the C.W.U. BASIC version?
The IBO ITALY DHW vessel operates across a wider temperature range (from −10°C) and comes with a 36-month warranty. The C.W.U. BASIC version comes with a 24-month warranty. Both series have a butyl diaphragm and are designed for domestic hot water systems.
What is the vessel's pre-charge pressure, and can it be changed?
The factory pre-charge pressure is 3.5 bar ±10%. It can be adjusted to match the system pressure by adding or releasing gas through the valve on the vessel connection, with the system isolated and depressurized.
How do I install the IBO ITALY 12 L DHW expansion vessel with diaphragm?
The vessel can be installed vertically or horizontally, using a 3/4" connection, in a domestic hot water system. An isolation valve is recommended to allow servicing without draining the entire system, as well as checking the pre-charge pressure before startup.
Where can I buy the IBO ITALY 12 L DHW expansion vessel with diaphragm?
The manufacturer does not sell directly. The IBO ITALY 12 L DHW expansion vessel with diaphragm is available from retail partners, plumbing wholesalers, and authorized online distributors.
What warranty does the IBO ITALY 12 L DHW expansion vessel with diaphragm have?
The IBO ITALY 12 L DHW expansion vessel with diaphragm comes with a 36-month (3-year) manufacturer's warranty. Warranty and post-warranty service is provided by Dambat.