Becker and Wolf Wall Mounted Horizontal 100L Heat Pump Water Heater - A+ Rated

Becker and Wolf Wall Mounted Horizontal 100L All-In-One Hot Water Heat Pump R134a A+ (BWHP100WMH134) is a compact, horizontal wall-mounted hot water heat pump ideal for a small family. This all-in-one unit combines a high-efficiency R134a heat pump and insulated 100L storage tank in a single space-saving appliance, providing A+ energy-efficient hot water with much lower running costs than direct electric cylinders.

Key Features

• A+ energy rated – high seasonal efficiency (ErP A+) to cut electricity consumption and running costs compared with traditional electric water heaters.
• Horizontal wall-mounted all-in-one design – 100L tank and heat pump integrated in a horizontal, wall-hung unit, ideal where floor space is limited.
• R134a refrigerant – uses R134a, a proven refrigerant selected for compact wall-mounted applications and reliable performance.
• 100L small-family capacity – sized for 1–2 person households, annexes, small apartments or offices with modest hot water demand.
• High hot water temperature – capable of delivering typical domestic hot water temperatures with provision for hygiene (anti-legionella) cycles.
• WiFi smart control – works with the Becker & Wolf App to allow remote access, scheduling, mode selection and temperature adjustment.
• Efficient heat pump operation – significantly higher efficiency than immersion-only electric heaters, reducing energy use and CO₂ emissions.
• Integrated electric backup heater – built-in electric element for additional boost or backup in high-demand periods or low ambient conditions.

Performance & Capacity

• Model: BWHP100WMH134 – Wall Mounted Horizontal 100L All-In-One Hot Water Heat Pump.
• Tank capacity: 100 litres nominal.
• Rated heating capacity: approximately 0.9–1.0 kW (heat pump), suited to continuous low-power hot water production.
• Energy class: A+ domestic hot water efficiency for small tapping profiles.
• COP (EN16147): high COP at standard test conditions, delivering strong efficiency gains over direct electric heating.
• Default water temperature: typically around 55°C, adjustable via the onboard controller or app.
• Working temperature range: suitable for indoor ambient conditions typical of utility rooms and service spaces.
• Suitable demand: designed for low to moderate daily hot water usage in smaller dwellings or light commercial settings.

Construction & Dimensions

• Form factor: horizontal wall-mounted cylinder-style appliance for indoor installation.
• Typical dimensions: compact length and diameter comparable to other 100L wall-mounted units (check product datasheet for exact values).
• Weight: engineered for secure wall mounting on suitable load-bearing structures; fixings must support filled weight.
• Tank & insulation: well-insulated inner tank with high-quality foam insulation to minimise standing heat losses.
• Ingress protection: indoor-rated enclosure suitable for utility rooms, plant spaces and similar locations.
• Noise level: low operating sound level appropriate for installation near occupied spaces when correctly sited.

Hydraulic & Electrical Details

• Power supply: 220–240 V, single phase, 50 Hz.
• Rated power input (heat pump): around 900–950 W, matched to efficient heat pump operation.
• Maximum power input: higher when the auxiliary electric heater operates; protective devices must be sized accordingly.
• Refrigerant: R134a with a controlled charge volume suitable for indoor wall-mounted equipment.
• Airflow: integrated fan drawing indoor air across the evaporator coil for heat extraction.
• Water connections: standard domestic hot and cold water connections compatible with unvented installation practice where applicable.

Controls & Smart Functions

• On-unit electronic control panel for local adjustment of temperature setpoints, operating modes and time programmes.
• WiFi connectivity for remote monitoring and control via the Becker & Wolf App (iOS/Android), including Eco/Boost and holiday settings.
• Selectable operating modes such as Eco (heat pump-led), Boost (heat pump plus electric heater) and timed schedules.
• Basic status and fault indications available through the app to support optimisation and servicing.

Typical Applications

• Small homes, flats or annexes with 1–2 occupants needing a compact, wall-mounted A+ hot water solution.
• Offices, studios or light commercial spaces with modest but regular hot water demand.
• Retrofit situations where floor space is limited and a horizontal wall-mounted all-in-one unit is preferred to a floor-standing cylinder.

Installation Notes

• Installation must be carried out by a suitably qualified installer in accordance with local regulations and Becker & Wolf instructions.
• Requires a structurally sound wall and appropriate fixings capable of supporting the full weight of the filled 100L unit.
• Provide adequate room volume and air circulation so the unit can extract heat from indoor air; avoid very confined or unventilated spaces.
• All safety, discharge and pressure relief requirements for unvented hot water systems must be followed, including correct routing of discharge pipework where applicable.