Heatmiser DS-SB v3 Set Back Dial Thermostat

The Heatmiser DS-SB v3 is a flush mount dial thermostat featuring an energy-saving set back function. When no time clock signal is present, it automatically reduces the set temperature by 4°C, helping to lower energy usage in unoccupied periods. This model is ideal for users seeking simple, reliable, and efficient manual control over their heating system.

• Temperature Range: 5–35 °C
• Set Back Function: Automatically reduces set temperature by 4°C when time clock is off
• Switch Rating: 230V AC, 3A (volt-free output)
• Mounting Type: Flush mounting (back box required)
• Dimensions: 92mm x 92mm x 14mm (Height x Width x Depth)
• Slide Switch Modes: Constant, Off, Time Clock
• Indication: Power On & Heat On (LED indicators)
• Sensor Modes: Built-in or optional remote air sensor
• Variable Switching Differential: Adjustable for heating response
• Wiring: Requires 4-core cabling from the time clock for set back functionality
• System Compatibility: Central heating and water underfloor heating systems
• Certification: CE Approved
• ErP Class: VIII (5%)
• Warranty: 2 Years Manufacturer's Warranty

The DS-SB v3 is fully compatible with Heatmiser UH8 wiring centres and TM4 Programmers but can also be used as a standalone thermostat. It is not suitable for floor sensor or app control modes but allows optional connection of a remote air sensor. The simple rotary dial ensures straightforward temperature control, making this an excellent choice for basic but energy-efficient heating management.

Box Contents:

• Heatmiser DS-SB v3 Set Back Dial Thermostat
• Fixing screws and fittings
• Installation manual

Note: Remote air sensor is optional and sold separately. Back box is required for flush mounting.

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