
Unvented Group Multibloc Expansion Vessel Connection 22mm - 3Bar PRV 6Bar SRV
- Non-adjustable 3 bar PRV and 6 bar SRV factory-set for safety
- Removable 300-micron stainless steel mesh filter
- 3/4" expansion vessel connection
- Integrated cold feed connection for balanced pressure
- Conforms to BS EN 1567 and CPR standards
- Pressure-reducing valve (PRV)
- Safety relief valve (SRV)
- Check valve (non-return)
- 300-micron stainless steel filter
- Connections: 22mm compression (main), 3/4" expansion vessel thread
- Operating Pressure: 3 bar (PRV), 6 bar (SRV)
- Filter Type: Reusable stainless steel mesh
- Tundish not included (required for regulatory compliance)
- Must be installed by a G3-qualified engineer
- Complies with UK Building Regulations for unvented systems
- Connections: 22 mm
- Expansion vessel connection: 22mm
- Pressure reducing valve factory setting: 3 Bar
- Safety relief valve factory setting: 6 Bar
- Max. inlet pressure: 16 Bar
- Max. working temperature: 80°C
- Height: 110 mm
- Width: 133.2 mm
Original: $82.33
-65%$82.33
$28.82More Images

Unvented Group Multibloc Expansion Vessel Connection 22mm - 3Bar PRV 6Bar SRV
- Non-adjustable 3 bar PRV and 6 bar SRV factory-set for safety
- Removable 300-micron stainless steel mesh filter
- 3/4" expansion vessel connection
- Integrated cold feed connection for balanced pressure
- Conforms to BS EN 1567 and CPR standards
- Pressure-reducing valve (PRV)
- Safety relief valve (SRV)
- Check valve (non-return)
- 300-micron stainless steel filter
- Connections: 22mm compression (main), 3/4" expansion vessel thread
- Operating Pressure: 3 bar (PRV), 6 bar (SRV)
- Filter Type: Reusable stainless steel mesh
- Tundish not included (required for regulatory compliance)
- Must be installed by a G3-qualified engineer
- Complies with UK Building Regulations for unvented systems
- Connections: 22 mm
- Expansion vessel connection: 22mm
- Pressure reducing valve factory setting: 3 Bar
- Safety relief valve factory setting: 6 Bar
- Max. inlet pressure: 16 Bar
- Max. working temperature: 80°C
- Height: 110 mm
- Width: 133.2 mm
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- Non-adjustable 3 bar PRV and 6 bar SRV factory-set for safety
- Removable 300-micron stainless steel mesh filter
- 3/4" expansion vessel connection
- Integrated cold feed connection for balanced pressure
- Conforms to BS EN 1567 and CPR standards
- Pressure-reducing valve (PRV)
- Safety relief valve (SRV)
- Check valve (non-return)
- 300-micron stainless steel filter
- Connections: 22mm compression (main), 3/4" expansion vessel thread
- Operating Pressure: 3 bar (PRV), 6 bar (SRV)
- Filter Type: Reusable stainless steel mesh
- Tundish not included (required for regulatory compliance)
- Must be installed by a G3-qualified engineer
- Complies with UK Building Regulations for unvented systems
- Connections: 22 mm
- Expansion vessel connection: 22mm
- Pressure reducing valve factory setting: 3 Bar
- Safety relief valve factory setting: 6 Bar
- Max. inlet pressure: 16 Bar
- Max. working temperature: 80°C
- Height: 110 mm
- Width: 133.2 mm














