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header-product Heating pump controller TECH ST-20 black
47.49 €

Heating pump controller TECH ST-20 black

Heating pump controller TECH ST-20 Photo 1
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Heating pump controller TECH ST-20 black

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Heating pump controller TECH ST-20 black

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Short description

TECH ST-20 is a compact controller for heating (CO) pumps, supplied in black finish. It provides basic control functions for circulating pumps in central heating systems, enabling on/off operation and protection against dry run or overload depending on installation. Suitable for residential and light commercial heating systems where reliable pump switching and simple control are required.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 11867659
Manufacturer: TECH
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
20.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

TECH ST-20 black is a compact heating pump controller designed for on/off control of circulating pumps in central heating (CO) systems. Housed in a black finish, the device offers basic automation features to switch a heating pump according to an external control signal and to protect the pump from operation under unsafe conditions. The controller is intended for use in residential and light commercial installations where straightforward pump switching and reliable basic protection are required.

Advantages

The controller provides simple and reliable on/off switching for circulating pumps while occupying minimal space. Its compact design and clear function make installation and integration into existing heating circuits straightforward. The device includes protection features that reduce the risk of dry run and overload when configured according to the installation, contributing to extended pump lifetime and reduced maintenance needs.

Suitable for (tasks / use cases)

  • On/off control of circulating pumps in residential central heating systems
  • Basic pump protection in small commercial heating installations
  • Replacement of analog or manual pump switches with automated control
  • Integration into simple heating circuits that require reliable pump switching

Key specifications

  • Function: on/off control for circulating heating pumps
  • Protection features: dry run and overload protection when installed accordingly
  • Design: compact housing in black finish suitable for mounting in plant rooms or service cupboards
  • Application: intended for residential and light commercial central heating systems

How to use

Install the TECH ST-20 black controller in the pump electrical circuit following local electrical codes and the pump manufacturer’s recommendations. Connect the controller input to the system control signal or thermostat and wire the output to the pump motor circuit so that the device performs on/off switching. Configure any available protection settings to match pump specifications and system conditions to enable dry run and overload protection where applicable. Verify correct operation by cycling the heating system and observing pump start/stop behavior.

Usage recommendations

Fit the controller in a dry, ventilated location accessible for inspection. Ensure wiring and protective devices comply with national wiring regulations and the pump’s electrical ratings. Periodically check connections and functional operation as part of routine heating system maintenance.

Description

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Customer reviews

Customer questions

FAQ

How much does the Heating pump controller TECH ST-20 cost, and is it available for purchase?

The price is 47.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All TECH products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TECH service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.