
National Ventilation 495793 Lot 20 Electric Panel Heater 1500W – White, 7-Day Programmable, IP24
SKU: 495793
Brand: National Ventilation
The National Ventilation Vent-Axia 495793 VAPH1500 Lot 20 Panel Heater is a stylish, wall-mounted 1500W (1.5kW) electric heater designed to provide comfortable, controllable heating for residential and commercial interiors.
Featuring an accurate electronic thermostat, seven-day programmable heating controls and 12 preset heating profiles, this slimline electric panel heater offers convenient temperature management for bedrooms, living rooms, home offices and other indoor spaces.
The National Ventilation Vent-Axia 495793 VAPH1500 Lot 20 Panel Heater is a stylish, wall-mounted 1500W (1.5kW) electric heater designed to provide comfortable, controllable heating for residential and commercial interiors.
Featuring an accurate electronic thermostat, seven-day programmable heating controls and 12 preset heating profiles, this slimline electric panel heater offers convenient temperature management for bedrooms, living rooms, home offices and other indoor spaces.
With a 1500W direct-acting heating output, the VAPH1500 is recommended by the manufacturer for rooms of approximately 15–18m², depending on insulation and heat-loss conditions.
The integrated electronic thermostat offers ±0.2°C control accuracy and an adjustable temperature range of 5°C to 30°C, allowing users to maintain their preferred level of comfort.
A dedicated 5°C frost protection setting helps maintain a minimum temperature in rooms that are not continuously occupied.
The heater incorporates seven-day electronic programming and 12 preset heating profiles, allowing heating schedules to be selected around different daily routines.
Its easy-to-use top-mounted LCD control panel with backlit display provides convenient access to temperature settings and heating programmes.
For improved energy management, the heater features open-window detection, which responds to sudden temperature drops to help avoid unnecessary heating.
Additional safety features include a child safety lock and an overheat thermal cut-out.
The IP24 splash-resistant rating makes the heater suitable for appropriately positioned bathroom and wet-area installations, subject to the manufacturer's instructions and relevant electrical regulations.
Finished in attractive gloss white, the heater measures 440mm high × 615mm wide × 125mm deep, providing a slim, modern appearance while preserving valuable floor space.
The VAPH1500 is supplied with wall-mounting fittings and a 1.5m flexible cable for connection to a suitable fixed electrical supply.
Designed to meet Lot 20 Ecodesign requirements, this electric panel heater combines programmable heating, practical safety features and silent operation with a two-year manufacturer replacement warranty.
Key Features
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1500W (1.5kW) electric panel heater – direct-acting room heating
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Lot 20 Ecodesign compliant – incorporates energy-management features
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Recommended for rooms of 15–18m²
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Electronic thermostat – accurate temperature control to ±0.2°C
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5–30°C adjustable temperature range
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5°C frost protection setting
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Seven-day programmable heating controls
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12 preset heating profiles
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Backlit LCD display – clear and convenient operation
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Open-window detection – helps reduce unnecessary electricity use
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Silent operation – fan-free heating
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IP24 splash-resistant design
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Child safety lock – helps prevent accidental setting changes
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Overheat thermal cut-out – additional safety protection
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Slimline wall-mounted construction
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Contemporary gloss white finish
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Wall-mounting fittings included
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1.5m flexible cable supplied
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Two-year manufacturer replacement warranty
1500W Electric Heating for Medium-Sized Rooms
The Vent-Axia VAPH1500 provides 1500W of direct electric heating, making it suitable for medium-sized rooms and supplementary heating applications.
The manufacturer recommends this model for spaces measuring approximately 15–18 square metres.
Its direct-acting heating element provides warmth without requiring a central heating system or water-filled radiator circuit.
The appropriate heater output depends on room insulation, ceiling height, glazing, external exposure and the required indoor temperature.
Seven-Day Programmable Heating
The 495793 includes a seven-day electronic heating programmer, allowing heating to be scheduled around everyday routines.
With 12 preset heating profiles, users can select suitable heating programmes for different occupancy patterns.
The backlit LCD display provides convenient access to heating settings and temperature adjustments.
This makes the heater particularly useful in bedrooms, home offices and regularly occupied rooms where heating requirements change throughout the week.
Accurate Electronic Thermostat
The built-in electronic thermostat provides temperature regulation accurate to ±0.2°C
The temperature can be adjusted between 5°C and 30°C, allowing users to choose their preferred comfort setting.
The thermostat automatically controls the heating element to help maintain the selected room temperature.
Open-Window Detection
The VAPH1500 features an integrated open-window detection function.
When a sudden drop in temperature is detected, the control system responds to help reduce unnecessary heating.
This supports more efficient use of electricity when a room is being ventilated.
Frost Protection Setting
A dedicated 5°C frost protection mode helps maintain a minimum room temperature during colder periods.
This is particularly useful for spare bedrooms, occasional-use offices and other rooms that may not require continuous comfort heating.
Frost protection does not replace appropriate protection for vulnerable pipework or other building services.
IP24 Splash-Resistant Protection
The Vent-Axia 495793 carries an IP24 ingress protection rating.
This provides protection against solid objects greater than 12.5mm and splashing water.
The manufacturer identifies the range as suitable for bathroom and wet-area applications, provided the heater is installed in a permitted location and in accordance with the relevant electrical regulations.
Silent Heating Operation
The Vent-Axia Lot 20 panel heater operates without a fan, allowing it to provide heat without continuous fan noise.
This makes it suitable for bedrooms, studies, home offices and other environments where quiet operation is preferred.
Integrated Safety Features
The heater includes a child safety lock to help prevent unintended changes to the temperature or programme settings.
An integrated thermal cut-out provides protection against overheating.
The heater must be installed with the required clearances and must not be covered or obstructed.
Suitable Applications
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Bedrooms and guest bedrooms
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Living rooms
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Home offices and studies
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Dining rooms
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Residential apartments
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Student accommodation
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Hotel and guest accommodation
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Commercial offices
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Reception areas
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Bathrooms, subject to installation requirements
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Supplementary electric heating
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Property refurbishment projects
Frequently Asked Questions
What is the National Ventilation 495793?
The National Ventilation 495793, also known as the Vent-Axia VAPH1500, is a 1500W wall-mounted electric panel heater with an electronic thermostat, seven-day programmer and IP24 splash-resistant construction.
How powerful is the VAPH1500?
The heater has a rated output of 1500W, equivalent to 1.5kW.
What size room can the 1500W panel heater heat?
The manufacturer recommends the VAPH1500 for rooms of approximately 15–18m².
Actual suitability depends on the room's insulation and heat-loss characteristics.
Does the heater have a thermostat?
Yes. It features an electronic thermostat with an adjustable temperature range of 5°C to 30°C and stated accuracy of ±0.2°C.
Can I programme the heating for different days?
Yes. The heater includes a seven-day electronic programmer and 12 preset heating profiles.
Does it have open-window detection?
Yes. The built-in open-window detection function helps reduce unnecessary heating when a sudden temperature drop is detected.
Is the VAPH1500 suitable for bathrooms?
The heater is IP24 rated and designed for suitable bathroom and wet-area applications. The installation location must comply with the manufacturer's instructions and applicable electrical regulations.
Does it include frost protection?
Yes. The heater includes a 5°C frost protection setting.
Is the panel heater noisy?
No fan is required for normal heating operation, making it a quiet option for bedrooms, offices and living areas.
Does it have a child lock?
Yes. The integrated child safety lock helps prevent unintended changes to the settings.
Does it have overheat protection?
Yes. The heater incorporates a thermal cut-out to provide protection against excessive temperatures.
Can the VAPH1500 be freestanding?
The VAPH1500 is designed for fixed wall-mounted installation. Freestanding use is not specified by the manufacturer.
Does it come with a plug?
The manufacturer specifies a 1.5m flexible cable and connection to a permanent electrical supply through a suitable fused connection outlet. A fitted three-pin plug is not specified.
How much electricity does the heater use?
At its full rated output of 1500W, the heater consumes 1.5kWh of electricity per hour of active heating.
Actual electricity consumption depends on thermostat cycling, room conditions and the selected heating programme.
What are the dimensions?
The VAPH1500 measures 440mm high × 615mm wide × 125mm deep.
What is the difference between VAPH1000 and VAPH1500?
The VAPH1000 (495792) has a 1000W output and is recommended for rooms of approximately 10–13m².
The VAPH1500 (495793) has a 1500W output and is recommended for rooms of approximately 15–18m².
Both include electronic thermostats, seven-day programming, open-window detection and IP24 protection.
What warranty is included?
The VAPH1500 is supplied with a two-year manufacturer replacement warranty, subject to the manufacturer's terms.
Installation Information
The Vent-Axia VAPH1500 is designed for fixed wall-mounted installation.
The manufacturer specifies connection to a permanent electrical supply through a suitable switched fused connection outlet, using the supplied flexible cable.
Installation should be carried out by a suitably competent person in accordance with the manufacturer's instructions and applicable requirements of BS 7671.
The heater must be installed with the required clearances, and the air inlet and outlet grilles must remain unobstructed.
For bathroom installations, ensure the intended mounting position is permitted under the manufacturer's instructions and relevant electrical zoning requirements.
| type | Panel Heaters | brand | National Ventilation |
| brand | National Ventilation | ||
| colour | White | Manufacturer | National Ventilation / Vent-Axia |
| Manufacturer | National Ventilation / Vent-Axia | ||
| Brand | Vent-Axia | Manufacturer Stock Reference | 495793 |
| Manufacturer Stock Reference | 495793 | ||
| Model | VAPH1500 | Product Range | Lot 20 Panel Heaters |
| Product Range | Lot 20 Panel Heaters | ||
| Product Type | Electric Panel Heater | Heating Power | 1500W |
| Heating Power | 1500W | ||
| Heating Output | 1.5kW | Heating Type | Direct-Acting Electric |
| Heating Type | Direct-Acting Electric | ||
| Colour | Gloss White | Recommended Room Area | 15–18m² |
| Recommended Room Area | 15–18m² | ||
| Thermostat | Electronic | Thermostat Accuracy | ±0.2°C |
| Thermostat Accuracy | ±0.2°C | ||
| Temperature Range | 5–30°C | Frost Protection | 5°C |
| Frost Protection | 5°C | ||
| Programmable Timer | Seven-Day | Preset Heating Profiles | 12 |
| Preset Heating Profiles | 12 | ||
| Display | Backlit LCD | Open-Window Detection | Yes |
| Open-Window Detection | Yes | ||
| Child Safety Lock | Yes | Overheat Protection | Thermal Cut-Out |
| Overheat Protection | Thermal Cut-Out | ||
| IP Rating | IP24 | Mounting | Wall Mounted |
| Mounting | Wall Mounted | ||
| Supply Voltage | 230–240V AC | Frequency | 50Hz |
| Frequency | 50Hz | ||
| Product Height | 440mm | Product Width | 615mm |
| Product Width | 615mm | ||
| Product Depth | 125mm | Product Weight | 5.1kg |
| Product Weight | 5.1kg | ||
| Packaged Height | 505mm | Packaged Width | 680mm |
| Packaged Width | 680mm | ||
| Packaged Depth | 155mm | Packaged Weight | 6.3kg |
| Packaged Weight | 6.3kg | ||
| Supplied Cable | 1.5m Flex | Wall-Mounting Fittings | Included |
| Wall-Mounting Fittings | Included | ||
| Ecodesign | Lot 20 / ErP | Manufacturer Warranty | 2 Years |
| Manufacturer Warranty | 2 Years |

