WORC GS 4000 12KW SYSTEM LPG 7733600378

The WORC GS 4000 12kW System LPG (part number 7733600378) is a wall‑mounted, condensing system boiler from Bosch Thermotechnology Ltd (Worcester). Designed for properties running on LPG, it provides reliable and efficient central heating and is intended for use with a separate hot water cylinder. Its compact size and modern control interface make it suitable for replacements or new installations in homes with a modest heating demand.

This system boiler delivers 12 kW output to central heating and is engineered for high seasonal efficiency. It supports straightforward installation and commissioning and is compatible with a range of Worcester Bosch controls and accessories. Flue, controls, and cylinder are supplied separately to suit different installation layouts.

• Manufacturer: Bosch Thermotechnology Ltd (Worcester)
• Range: Greenstar 4000
• Model: 12kW System LPG
• Part number: 7733600378
• Fuel: LPG (liquefied petroleum gas)
• Boiler type: System (requires a separate hot water cylinder)
• Output to central heating: 12 kW
• Mounting: Wall-hung, condensing
• Efficiency: ErP A-rated for space heating
• Application: Homes on LPG with a sealed heating system
• Supplied: Boiler only; flue, controls, and cylinder sold separately
• Typical use: Small to medium properties with lower to moderate heating demand