The LK Systems S2 24V NO is an electronic room thermostat engineered for quiet and precise regulation of hydronic underfloor heating systems. Equipped with a noiseless solid-state Triac output and internal electronic feedback, it maintains balanced ambient temperatures with normally open actuators.
The LK Systems S2 room thermostat provides precise and dependable climate control for hydronic underfloor heating applications. Designed for seamless integration into 24 V AC systems with normally open (NO) actuator configurations, it continuously monitors and regulates ambient temperature to ensure an even, comfortable indoor climate.
Equipped with a solid-state Triac switching output, the thermostat operates completely silently without the mechanical clicking sounds common to conventional relays. This noiseless performance makes it particularly suitable for bedrooms, living rooms, and quiet work environments.
The unit utilizes proportional-integral (PI) control logic supported by an internal resistance sensor and electronic feedback for stable temperature management. It features a temperature setting range of 5 to 45 ยฐC and includes an external input for a -3 K temperature setback, enabling energy-efficient heating cycles.
Engineered to handle multi-loop installations within a single heating zone, the thermostat can control up to five LK 24 V normally open thermoelectric actuators simultaneously. This allows consistent temperature regulation across larger living spaces or commercial zones.
Featuring a slim profile, the thermostat combines a RAL 9003 rear housing with a high-gloss white and ice-grey front finish. It offers versatile installation options, mounting directly onto interior wall surfaces over cabling or over standard electrical junction boxes using the included snap-on cover frame.
- Product Type: Electronic room thermostat
- Application: Hydronic underfloor heating
- Operating Voltage: 24 V AC
- Actuator Compatibility: Normally Open (NO)
- Output Type: Triac (noiseless solid-state)
- Actuator Capacity: Up to 5 LK actuators
- Control Method: PI (Proportional-Integral) control
- Sensor Type: Resistance sensor
- Temperature Setting Range: 5โ45 ยฐC
- Temperature Setback: -3 K via external input
- Display: Integrated digital display
- Ingress Protection: IP30
- Dimensions: 112 x 80 x 16 mm
- Colour: RAL 9003 White with high-gloss white and ice-grey front
The LK Systems S2 24V NO is an electronic room thermostat engineered for quiet and precise regulation of hydronic underfloor heating systems. Equipped with a noiseless solid-state Triac output and internal electronic feedback, it maintains balanced ambient temperatures with normally open actuators.
The LK Systems S2 room thermostat provides precise and dependable climate control for hydronic underfloor heating applications. Designed for seamless integration into 24 V AC systems with normally open (NO) actuator configurations, it continuously monitors and regulates ambient temperature to ensure an even, comfortable indoor climate.
Equipped with a solid-state Triac switching output, the thermostat operates completely silently without the mechanical clicking sounds common to conventional relays. This noiseless performance makes it particularly suitable for bedrooms, living rooms, and quiet work environments.
The unit utilizes proportional-integral (PI) control logic supported by an internal resistance sensor and electronic feedback for stable temperature management. It features a temperature setting range of 5 to 45 ยฐC and includes an external input for a -3 K temperature setback, enabling energy-efficient heating cycles.
Engineered to handle multi-loop installations within a single heating zone, the thermostat can control up to five LK 24 V normally open thermoelectric actuators simultaneously. This allows consistent temperature regulation across larger living spaces or commercial zones.
Featuring a slim profile, the thermostat combines a RAL 9003 rear housing with a high-gloss white and ice-grey front finish. It offers versatile installation options, mounting directly onto interior wall surfaces over cabling or over standard electrical junction boxes using the included snap-on cover frame.
- Product Type: Electronic room thermostat
- Application: Hydronic underfloor heating
- Operating Voltage: 24 V AC
- Actuator Compatibility: Normally Open (NO)
- Output Type: Triac (noiseless solid-state)
- Actuator Capacity: Up to 5 LK actuators
- Control Method: PI (Proportional-Integral) control
- Sensor Type: Resistance sensor
- Temperature Setting Range: 5โ45 ยฐC
- Temperature Setback: -3 K via external input
- Display: Integrated digital display
- Ingress Protection: IP30
- Dimensions: 112 x 80 x 16 mm
- Colour: RAL 9003 White with high-gloss white and ice-grey front
LK Systems S2 24V NO Room Thermostat, White
- Regular price
- โฌ46,90
- Sale price
- โฌ46,90
- Regular price
-
โฌ62,90
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FAQ
Do products have warranty?
We service or refund product faults as any retailer as defined by the EU protection against faulty goods. In case you have an issue with the product you ordered from us please contact our Customer Care, we'll take good care of you.
Products sold as almost new or new have a 14 days right of return and a 12 months functionality warranty.
Pre-owned products are clearly indicated with a separate label and have a 14 days right of standard return.
Some product brands may offer extended warranties as a part of a campaign of a new product launch or as a paid service or otherwise. You will have to check the applicability of these directly from the brand.
Where are the products you sell coming from?
Our products are in most of the cases quality checked customer returns from our partner retailers and brands. Pre-owned products are clearly labeled and are either serviced products from our partner retailers or quality checked products acquired directly from consumers.
Can I pickup my order somewhere (click and collect)?
We ship the products either from local warehouses or from our central warehouse in Finland and we always try to find the lowest CO2 route to customers. Hence we don't have an option for click and collect.
Condition grade information
We determine the condition category based on user feedback and product-specific inspection. When the product is inspected, we may add missing parts or otherwise improve the product as needed.
New
The product is new and the product package has not been opened before.
A - As New
Product is comparable to a new product, but product package has been opened. No signs of wear or defect. Comes with the original box with all items in the box.
B - Very Good
Product is in Very Good condition, has little or no signs of wear but may have been tried by a previous customer. All major items are in the box but there may be some minor damage in the product packaging.
C - Minor Wear
Product may have minor signs of wear. Item is functional and fully works as intended. Some components may be missing or the original product packaging may be damaged or missing.
C - By Partner
Product in good condition but may have minor signs of wear. Item is fully functional and works as intended. Some minor original components may be missing and the original product packaging may be missing. This is a dropshipped product by one of our partners.
Pre-Owned
Pre-owned products are either serviced products from our partner retailers or quality checked products acquired directly from consumers. Product grading (A-D) also applies to pre-owned products.