Thermex IF 80 Flat Smart Unvented Storage Water Heater 2 kW – Compact and Energy Efficient

The Thermex IF 80 Flat Storage Water Heater is a modern, high-quality electric water heater designed for unvented mains pressure systems. Featuring a slim flat design, it supports both vertical and horizontal wall mounting, making it ideal for installation in spaces with limited room such as cupboards, utility rooms, or bathrooms. This appliance combines efficient heating, advanced smart features, and durable construction for reliable, high-pressure hot water delivery suitable for contemporary UK homes.

System Type: Unvented (Mains Pressure)

This model is an unvented water heater connected directly to the mains water supply, providing strong and consistent high-pressure hot water without requiring a cold water storage tank or vent pipe. It includes a 3-way safety valve (pressure relief, non-return, and drain valve) for safe and compliant operation under mains pressure.

Key Features & Benefits

• Unvented Mains Pressure System: Supplies dependable mains pressure hot water suitable for multiple simultaneous outlets.
• 67 Litres Net Capacity: Offers sufficient hot water volume for small to medium household needs.
• Flat Compact Design: Slim profile with dimensions suitable for both vertical (1018 mm x 511 mm x 293 mm) and horizontal (511 mm x 1018 mm x 293 mm) mounting for space-efficient installation.
• Smart Mode: Monitors water usage patterns over a 7-day cycle to optimize heating schedules, maintaining minimum temperature during inactivity to save energy without sacrificing comfort.
• User-Friendly Display: Provides intuitive operation and programming with frost protection and self-diagnosis features for safety and convenience.
• 2 kW Heating Element: Provides efficient and rapid heating with approximately 66 minutes to heat water by 45°C.
• Durable BIO-Glasslined Tank: Employs a patented enamel coating on steel tanks to protect against corrosion without environmental harm, ensuring long product life.
• Energy Label C: Achieved through good thermal insulation and smart energy management.
• Safe & Compliant: Includes a combined 3-way safety valve essential for unvented system protection and comes with connection cable, manual, and wall anchors.
• Weight: Approximately 24 kg for manageable installation.
• Warranty: 2 years standard, 5 years on tank.

Technical Specifications

• Brand: Thermex
• Model: IF 80 SMART
• Net Capacity: 67 litres
• Power: 2,000 W / 230 V / 16 A
• Maximum Temperature: 65°C
• System Type: Unvented (Mains Pressure)
• Water Pressure: Minimum 0.05 MPa, Maximum 0.7 MPa (Approx. 0.5 to 7 bar)
• Working Pressure: Maximum 0.8 MPa (about 8 bar)
• Water Connection: ½-inch threaded fittings
• Dimensions Vertical (HxWxD): 1018 x 511 x 293 mm
• Dimensions Horizontal (HxWxD): 511 x 1018 x 293 mm
• Weight (empty): 24 kg
• Heating Time (Δt = 45°C): Approximately 66 minutes
• Energy Label: C
• Included Accessories: 3-way safety valve, connection cable, manual, wall anchors

Why Choose the Thermex IF 80 Flat Smart Unvented Water Heater?

This durable and efficient unvented water heater offers reliable, high-pressure hot water with advanced energy-saving smart controls tailored to your usage habits. Its-flat design and flexible mounting options make it ideal for modern UK homes with limited space. Comprehensive safety features and robust construction ensure long-lasting performance and peace of mind.

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on all orders

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Delivery fee of £15

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX