Worcester Bosch Cylinder Replacement Guide
Expert guidance on replacing Worcester Bosch Greenstore cylinders with modern alternatives. Compatible options, pricing, and professional installation across Hampshire & Wiltshire.
Why Worcester Bosch Cylinder Replacement Matters
With over 25% of UK homes using Worcester Bosch boilers, choosing the right compatible cylinder is critical for performance and efficiency
Market Leader
Worcester Bosch dominates the UK boiler market with 25-30% market share. Over 150,000 Worcester Bosch boilers installed annually across the UK.
- 7 consecutive years as Which? Best Buy
- Most installed brand by Gas Safe engineers
- Trusted by homeowners and professionals
Cylinder Evolution
Worcester Bosch has evolved their cylinder range from the original Greenstore to the newer Green Storage WB cylinders with improved performance.
- Better heat retention and insulation
- Faster reheat times for efficiency
- Enhanced warranties and reliability
Compatibility Matters
Matching the right cylinder to your Worcester Bosch boiler ensures optimal performance, efficiency, and longevity of your heating system.
- Proper flow rates for shower performance
- Correct coil sizing for boiler output
- Building Regulations compliance
Worcester Bosch Greenstore to Green Storage WB Evolution
Understanding the transition from Greenstore cylinders to the modern Green Storage WB range
| Feature | Original Greenstore | Green Storage WB | Improvement |
|---|---|---|---|
| Heat Retention | Standard insulation | Enhanced polyurethane foam | |
| Reheat Time | 45-60 minutes | 30-45 minutes | |
| Flow Rate | Good | Excellent high flow | |
| Warranty | 2 years | 2 years (robust guarantee) | Maintained |
| Availability | Legacy product | Current range | Latest |
Green Storage WB Range Sizes
*Cylinder unit prices only. Installation costs £600-900 additional.
Key Improvements in WB Range
Faster Reheat Times
Improved coil design delivers up to 30% faster water heating, meaning less waiting between showers.
Better Heat Retention
Enhanced insulation means your water stays hotter for longer, reducing energy waste and heating cycles.
Higher Flow Rates
Optimized design supports multiple simultaneous outlets without pressure drop - perfect for busy family mornings.
Viessmann Vitocell: The Worcester Bosch Compatible Cylinder
German engineering excellence designed to work seamlessly with Worcester Bosch system boilers
Why Viessmann Vitocell Works Perfectly
Same Parent Company
Both Worcester Bosch and Viessmann are part of the Bosch Group, ensuring perfect compatibility and shared engineering standards.
Optimized Coil Sizing
4.5m² heat exchanger coils perfectly matched to Worcester Bosch 24-40kW system boiler outputs for optimal performance.
Universal Compatibility
Works with Worcester Bosch Greenstar system boilers without additional kits or modifications required.
Superior Build Quality
Duplex stainless steel construction with 50mm polyurethane foam insulation plus vacuum panels for exceptional heat retention.
Industry-Leading Warranty
25-year warranty on the cylinder vessel - over 10x longer than Worcester's own 2-year guarantee.
Vitocell vs Green Storage WB
| Feature | Vitocell | WB |
|---|---|---|
| Warranty | 25 years | 2 years |
| Material | Duplex stainless | Stainless steel |
| Insulation | 50mm + vacuum | Polyurethane foam |
| Heat Loss | 1.4kWh/24h | ~2.0kWh/24h |
| Coil Area | 4.5m² | ~3.5m² |
| Price (250L) | £1,300 | £1,100-1,400 |
Vitocell offers superior specifications for similar or only slightly higher cost
Viessmann Vitocell Range & Pricing (Installed)
Vitocell 200-V (Standard Boilers)
Why Choose Vitocell with Worcester Bosch?
- 25-year warranty beats Worcester's 2-year guarantee
- 30% better heat retention saves energy long-term
- Faster reheat with larger coil area (4.5m² vs 3.5m²)
- Duplex stainless steel superior corrosion resistance
- Holds property value with lifetime warranty transfer
Worcester Bosch Boiler Compatibility Guide
Match your Worcester Bosch boiler to the perfect cylinder size and type
Greenstar 24i System
24kW- • 150-210L (optimal)
- • 250L (maximum)
- ✓ Green Storage WB 150L/210L
- ✓ Viessmann Vitocell 160L/200L
- ✓ Gledhill StainlessLite 180L/210L
24kW output suits smaller homes (1-3 bed). Avoid oversizing cylinder.
Greenstar 30i System
30kW- • 210-250L (optimal)
- • 300L (maximum)
- ✓ Green Storage WB 210L/250L
- ✓ Viessmann Vitocell 200L/250L
- ✓ Megaflo Eco 170L/210L
Most popular size for 3-4 bed homes. Perfect balance of power and capacity.
Greenstar 40CDi System
40kW- • 250-300L (optimal)
- • 400L+ (large homes)
- ✓ Green Storage WB 250L/300L
- ✓ Viessmann Vitocell 250L/300L
- ✓ Telford Hurricane 300L
High output for 4-5 bed homes. Can handle larger cylinders efficiently.
Important Sizing Considerations
Undersizing Risks:
- ✗ Running out of hot water during peak usage
- ✗ Poor shower performance when multiple taps open
- ✗ Constant boiler cycling reducing efficiency
- ✗ Disappointed family members in morning rush
Oversizing Risks:
- ✗ Longer heat-up times wasting energy
- ✗ Higher standing heat losses
- ✗ Unnecessary installation costs
- ✗ Boiler struggles to heat efficiently
💡 Our G3-certified engineers will calculate the exact right size for your Worcester Bosch boiler and household needs - free survey with every quote.
Professional Worcester Bosch Cylinder Installation
What to expect when we replace your Worcester Bosch cylinder
Free Survey & Quote
- Inspect existing Worcester Bosch boiler model
- Measure hot water demand and usage patterns
- Check mains water pressure and flow
- Recommend optimal cylinder size and brand
- Provide detailed written quote
Typical survey time: 30-45 minutes
Installation Day
- Drain existing system safely
- Remove old cylinder and dispose responsibly
- Install new cylinder with all safety devices
- Connect to Worcester Bosch boiler
- Test all outlets and check for leaks
Typical installation time: 6-8 hours (same day)
Certification & Handover
- Building Regulations G3 notification submitted
- Unvented cylinder commissioning certificate
- Manufacturer warranty registration
- Full system demonstration and user guide
- 12-month workmanship guarantee
All paperwork completed before we leave
Installation Costs Breakdown
What's Included in Our Price:
- New hot water cylinder (your choice of brand)
- All pipework, fittings, and valves
- Temperature & pressure relief devices
- Expansion vessel (if external)
- Building Regulations G3 notification (£85)
- Old cylinder removal and disposal
- Full commissioning and certification
- 12-month workmanship warranty
Typical Total Costs (Installed):
*Prices include VAT. Finance options available from 0% APR.
Visit Worcester Bosch Official Website
For product specifications, technical documentation, and warranty details
Click to Visit Worcester Bosch Website →
Note: We are independent Worcester Bosch compatible cylinder installers. For official Worcester Bosch products and support, visit their website above.
Worcester Bosch Cylinder FAQs
Common questions about Worcester Bosch cylinder replacement
Is the Worcester Bosch Greenstore cylinder discontinued?
Worcester Bosch has evolved their cylinder range from Greenstore to the newer Green Storage WB Range. The Green Storage WB cylinders offer improved performance with better heat retention, faster reheat times, and enhanced warranties. Both Greenstore and Green Storage WB cylinders remain compatible with Worcester Bosch system boilers.
Will a Viessmann Vitocell cylinder work with my Worcester Bosch boiler?
Yes, absolutely. Viessmann Vitocell cylinders are fully compatible with Worcester Bosch system boilers. Both brands are part of the Bosch Group, ensuring perfect compatibility. Vitocell cylinders feature 4.5m² heat exchanger coils optimized for Worcester Bosch 24-40kW outputs and require no additional compatibility kits.
What size cylinder do I need for my Worcester Bosch Greenstar 30i?
For a Worcester Bosch Greenstar 30i (30kW), we recommend 210-250L cylinders for typical 3-4 bedroom homes. The 30kW output can efficiently heat cylinders up to 300L maximum. Consider 210L for 3 bed, 250L for 4 bed homes, or consult our calculator for personalized recommendations based on your actual usage patterns.
How much does Worcester Bosch cylinder replacement cost in Hampshire?
Typical costs range from £1,950-3,700 installed depending on cylinder brand and size. Worcester Green Storage WB 210L costs £1,950-2,550, Viessmann Vitocell 200L costs £2,600-3,300, and Gledhill StainlessLite 210L costs £2,150-2,800. All prices include installation, G3 notification, certification, and 12-month workmanship warranty.
Do I need a G3-qualified engineer to install an unvented cylinder?
Yes, legally required. Unvented hot water cylinders must be installed by a G3-certified plumber to comply with Building Regulations. Our engineers are fully G3-qualified, submit all Building Control notifications, and provide commissioning certificates with every installation.
Can I upgrade from a vented to unvented cylinder with my Worcester Bosch boiler?
Yes, if you have a Worcester Bosch system boiler (not combi). Upgrading from vented to unvented gives you mains pressure hot water throughout your home. We'll check your mains pressure (minimum 1.5 bar required) during our free survey and recommend the best unvented cylinder for your Worcester boiler model.
What warranty comes with Worcester Bosch Green Storage WB cylinders?
Worcester Bosch Green Storage WB cylinders come with a 2-year manufacturer warranty. By comparison, Viessmann Vitocell offers a 25-year warranty, and Telford Hurricane offers a transferable lifetime warranty. We provide an additional 12-month workmanship warranty on all installations.
How long does Worcester Bosch cylinder installation take?
Typical installation takes 6-8 hours for a like-for-like replacement. Same-day completion in most cases. Upgrading from vented to unvented may take 8-10 hours due to additional pipework and safety device installation. We'll give you an accurate timeframe during your free survey.
Ready to Replace Your Worcester Bosch Cylinder?
Get expert advice from our G3-certified engineers. Free surveys, competitive pricing, and professional installation across Hampshire & Wiltshire.