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HBN Digital Thermostat Controller, 40–108°F, 8.3A1 / 7
Product guide

HBN Digital Thermostat Controller, 40–108°F, 8.3A

HBN’s Digital Thermostat Controller is a plug-in temperature controller intended for heating applications such as seedling propagation, greenhouses, reptiles and brewing. Its display, push-button setup and status lights provide basic local controls, while the listed Wi-Fi connection is not explained in the product details. The stated maximum load has an important lower limit for appliances with motors or rectifiers.

At a glance

  • A probe monitors temperature and the controller switches a connected heating appliance to regulate it.
  • The listing describes a three-button interface, temperature display in Fahrenheit and Celsius, and power and heating status lights.
  • The manufacturer lists seedling germination, rooting, brewing, fermentation, reptile heating and greenhouse use.
  • The stated 1992W maximum applies to the listed load rating, but appliances with motors or rectifiers are limited to below 400W.
Price
£20.39Save 15%

Reference price: £23.99

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • Temperature display and indicator lights make the set temperature and controller status visible at the unit.
  • The listed temperature control range covers common propagation and enclosure-heating use cases.
  • The stated six-foot probe and plug cord length can give some flexibility in placing the controller and sensor.

Cons

  • Its stated motor or rectifier appliance limit is below 400W, substantially lower than the general 1992W maximum.

Technical specifications

15 specifications
Identity
BrandHBN
Model6933018900472
Display and temperature
Screen technology listedLCD
Temperature control range40-108°F
Temperature display range32 -140°F
Connectivity and controls
Wireless connection listedWi-Fi
Control methods listedTouch
Temperature control typeManual
Power and load
Power configurationCorded Electric
Voltage240 Volts
Maximum load8.3A 1992W
Dimensions and installation
Mounting types listedWall Mount
Dimensions10 x 12 x 18 cm; 620 g
Probe and plug cord length6 feet
Materials and protection
Material listedPlastic

What to know before buying

  • Do not immerse the controller or probe in water. The manufacturer says low ambient temperatures can prevent a heater from bringing an area to the set temperature, even when running continuously.

Listing details to confirm

Listing details are inconsistent or unconfirmed: Wi-Fi is listed alongside manual and touch controls without explaining wireless functions, and the title gives a 40-108°F control range while the claimed display range is 32 -140°F. Confirm the expected connectivity and temperature behaviour for your setup. The 1992W maximum is also qualified by a below-400W limit for appliances with motors or rectifiers.

What’s in the box

Included
  • Power and load indicator lights
  • Screen

Who is it for?

A good fit for

  • Growers regulating heat mats or other compatible heaters for seedling germination and rooting.
  • Users managing temperature for reptile enclosures, brewing or fermentation, provided the connected appliance is within the applicable load limit.

Less suited to

  • People needing cooling control, since the listing describes control of heating devices rather than cooling.
  • Users who need to regulate a motor- or rectifier-based appliance above 400W, or who need an immersion-safe controller or probe.
HBN Digital Thermostat Controller, 40–108°F, 8.3A · photo 2
Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 166 ratings
  • 5 stars68%68%
  • 4 stars16%16%
  • 3 stars4%4%
  • 2 stars6%6%
  • 1 star6%6%

Customer feedback is generally positive about the controller’s operation and value, but temperature-control experiences are mixed. Some customers report consistent greenhouse temperatures, while others say it only controls temperature, and reliability concerns include reports of units stopping after resistor failures. For buyers, the reported concerns make reliability worth weighing against the practical appeal of a simple display-and-probe controller. The listing’s load restrictions and heating-only description remain important to suitability.

Positive themes

  • Customers describe the controller as working well and good value.

Negative themes

  • Some customers report reliability problems, including units that stopped working after resistor failures.

Mixed feedback

  • Temperature control feedback is mixed. Some customers report consistent greenhouse temperatures, while others say it only controls temperature.

Frequently asked questions

What temperatures can this controller regulate?

The stated control range is 40-108°F. The listing separately gives a display range of 32 -140°F, so distinguish the settable control range from the displayed temperature range.

Can it control a heater rated up to 1992W?

The listing states a maximum load of 8.3A 1992W for compatible loads, but says appliances with motors or rectifiers should be kept below 400W. Check the appliance type and rating before use.

Can the controller or probe be used underwater?

No. The manufacturer explicitly says not to immerse the controller or probe in water.

Does it control cooling as well as heating?

The supplied product information describes switching heating appliances. It does not establish a cooling-control function.

HBN Digital Thermostat Controller, 40–108°F, 8.3A · photo 3
Additional product photo 3

Alternative options

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