Worcester Bosch Compress 5800i AW Heat Pump 7kW Outdoor Unit

The Worcester Bosch Compress 5800i AW Heat Pump 7kW Outdoor Unit is a monobloc air-to-water heat pump outdoor unit designed for efficient, low-carbon heating in UK homes, using future-proof R290 refrigerant and delivering reliable performance down to -25°C.

Product Description

The Compress 5800i AW Heat Pump is a compact monobloc system with all refrigeration components housed in the outdoor unit for easy installation. This Heat Pump achieves an A+++ ErP rating with a SCOP of 4.54 and COP of 3.07, providing 7kW heating capacity for homes up to 150m². Integrated Connect-Key K30 enables app-based setup and monitoring via Bosch EasyAir. Weather-optimised for UK climates, it pairs with pre-plumbed indoor cylinders (180-250L) or wall-hung units for DHW up to 65°C, supporting underfloor heating or radiators.

Key Features

• Monobloc design: All refrigeration in outdoor unit for simple plumbing.
• R290 refrigerant: Low-GWP (3) for eco-friendly, future-proof operation.
• A+++ ErP rated: SCOP 4.54, COP 3.07 for low running costs.
• Connect-Key K30: Bluetooth/WiFi for remote control and commissioning.
• Quiet operation: 41.5 dB(A) at 1m with sound diffuser.
• Weather resilient: Operates to -25°C with automatic defrost.
• Smart controls: Bosch EasyAir app for scheduling and efficiency.
• Boiler Upgrade Scheme eligible: Up to £7,500 grant available.

Technical Specifications

• Model: WB-8738213466 – Compress 5800i AW 7kW Outdoor Unit.
• Heating capacity: 7.09 kW (A2/W35).
• COP (A7/W35): 3.07.
• SCOP (average climate): 4.54.
• Refrigerant: R290 (GWP 3).
• ErP rating: A+++ (35°C), A++ (55°C).
• Power supply: 230V 1ph 50Hz.
• Noise level: 41.5 dB(A) at 1m.
• Operating temperature: -25°C to +43°C.

Dimensions & Weights

• Width: 1100 mm.
• Depth: 540 mm.
• Height: 800 mm.
• Weight: 148 kg.
• Clearances: Front 2000 mm (min 800 mm), Sides 1000 mm (min 200 mm for service).

System & Application Notes

• Ideal for homes up to 150m² with underfloor heating or radiators.
• Requires compatible indoor unit (e.g., 180-250L cylinder or wall-hung) for full system.
• Suitable for new builds and retrofits; integrates with smart home controls.
• Installation by qualified MCS-certified engineers; qualifies for grants.
• 7-year warranty on outdoor unit; 10-year on compressor.