Description
Instant Hot Water, Every Time
The Bosch Ci10 (GWH10) instantaneous water heater replaces the popular Bosch WR250. This premium gas system heats water as it flows, providing unlimited hot water for your entire household. Whether you choose natural gas or LPG, you’ll enjoy responsive performance with exceptional energy efficiency.
Penrith Hot Water supplies and installs the Bosch Ci10 (GWH10) throughout Penrith, Emu Plains, Kingswood, and the Greater Nepean. Our team ensures professional installation and proper system configuration for your needs.
Why Choose This Product?
• Unlimited hot water – Instantaneous heating means no storage limitations
• Fuel flexibility – Available in natural gas or LPG to suit your property
• Energy efficient – 5.3-star rating demonstrates outstanding performance
• Compact indoor design – Wall-mounted unit saves space
• Premium construction – Quality heat exchanger built to last
• Extended heat exchanger warranty – 10-year protection on the core component
• Comprehensive parts warranty – 2-year coverage on all parts and labour
• Proven reliability – Trusted replacement for the Bosch WR250
• Local support – Penrith Hot Water manages supply and professional installation
Product Details
Type: Instantaneous gas water heater
Capacity: 10 litres
Model numbers: Natural gas 7701331614 / LPG 7701531975
Fuel type: Natural gas or LPG (specify when ordering)
Temperature control: Non pre-set (may require tempering valve installation)
Energy rating: 5.3-star
Installation: Indoor wall-mounted only
Technical Specifications
Heating method: Gas combustion (instantaneous flow)
Capacity: 10 litres
Temperature setting: Non pre-set (adjustable)
Energy efficiency rating: 5.3-star
Heat exchanger: Premium stainless steel construction
Installation: Indoor wall-mounted location required
Performance: Unlimited hot water supply without storage tanks
Dimensions
Height (including brackets): 580 mm
Width: 310 mm
Depth: 220 mm
The compact design fits neatly on indoor walls, saving valuable space.
Important Installation Notes
This is a non pre-set product. Depending on your local regulations, a tempering valve may be required for safe operation. Penrith Hot Water will assess your installation requirements and advise accordingly.
Warranty Information
Penrith Hot Water backs the Bosch Ci10 (GWH10) with comprehensive protection:
• Heat exchanger: 10-year warranty
• Parts and labour: 2-year warranty
Warranty conditions apply. Contact Penrith Hot Water for full terms and conditions.
Ready to Upgrade?
Experience unlimited instant hot water with the Bosch Ci10 (GWH10) instantaneous gas water heater. Choose natural gas or LPG to suit your property in Penrith, Emu Plains, Kingswood, and the Greater Nepean.
Contact Penrith Hot Water today for a free quote and expert installation advice. Our team will discuss fuel options, assess your installation requirements, and arrange professional installation at a convenient time.
Phone us now or request a quote online to get started.



