



Horstmann HRT4-A White Electronic Room Thermostat With TPI Technology 5°C - 30°C 3(1)A 230V
HRT4-A
Electronic Room Thermostat – 230V with TPI Control, 5°C–30°C Range
This electronic room thermostat provides precise temperature control for most 230V heating systems, using advanced TPI (Time Proportional Integral) software to maintain comfort and improve energy efficiency. Available in Standard, Frost, and Tamperproof versions, it features a simple interface and fits a standard wall plate for quick installation.
- 230V Mains Powered: Designed for use with heating systems that respond to a 230V On/Off signal.
- Advanced TPI Control: Time Proportional Integral technology helps reduce temperature overshoot and saves energy.
- Selectable Versions: Available in Standard, Frost protection, and Tamperproof configurations to suit various applications.
- Temperature Range: Adjustable from 5°C to 30°C to suit domestic and light commercial environments.
- Easy Installation: Fits onto an industry standard wall plate for fast, straightforward replacement or new fitouts.
Technical Specification
- Operating Voltage: 230V AC
- Control Type: Electronic On/Off with TPI software
- Temperature Range: 5°C to 30°C
- Switch Rating: 3(1)A
- Mounting: Industry standard wall plate
- Available Models: Standard, Frost, and Tamperproof
✅ Choose this TPI-equipped electronic thermostat for accurate, energy-efficient temperature control in 230V heating systems!
Ean Code | 5015914230028 |
Product | Thermostat |
Type | Room |
Colour | White |
Length | 86 mm |
Mounting | Surface |
Width | 86 mm |
Depth | 36.25 mm |
Current Rating | 3 A |
Supply Voltage | 230 V |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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