# Pump controller KG Elektronik SP-04-C.W.U — domestic hot water pump regulator, model SP-04-C.W.U

**URL:** https://aio.lv/en/product--kg-elektronik-sp-04-cwu--11867816
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** KG Elektronik
**Manufacturer code:** SP-04-C.W.U
**EAN:** 5907776169045
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kg-elektronik-sp-04-cwu--11867816

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

KG Elektronik SP-04-C.W.U pump controller is a dedicated regulator for domestic hot water (DHW) pump management. The unit controls pump operation based on system signals, offering reliable automation for circulating or booster pumps in residential installations. It is intended for integration with existing heating or hot water systems to improve circulation control and reduce manual intervention.

## Long description

KG Elektronik SP-04-C.W.U is a pump controller designed for domestic hot water (DHW) systems. It automates the operation of circulation and booster pumps by responding to system signals, enabling controlled pump switching to maintain hot water availability in residential installations. The compact regulator integrates with existing heating or hot water systems and is intended to reduce manual pump operation while improving circulation control and system efficiency.
Advantages
The SP-04-C.W.U offers automatic pump management based on input signals, reducing the need for manual switching and helping to maintain consistent hot water circulation. Its design supports straightforward integration into residential systems and provides reliable operation suitable for continuous or intermittent pump control. The controller's functionality contributes to smoother system behavior and can help minimize wear caused by improper pump operation.
Suitable for
 Domestic hot water circulation in single-family homes and apartments
 Booster pump control to maintain pressure and flow in DHW systems
 Integration with central heating or hot water systems requiring automated pump switching
 Replacement or upgrade of manual pump switches in residential installations
Key specifications
 Application: domestic hot water (DHW) pump control
 Function: automatic switching of circulation or booster pumps based on system signals
 Integration: intended for use with existing heating and hot water systems
 Installation: wall- or panel-mounted electrical control unit for residential systems
 Operation: supports continuous or intermittent pump control modes depending on system inputs
How to use
Install the SP-04-C.W.U according to local electrical codes and the system wiring diagram provided by the installer or manufacturer. Connect the controller to the pump power supply and to the control signal source from the heating or hot water system. Configure wiring and any available input settings so the unit responds correctly to the system signal that indicates when the pump should run. After installation, verify correct operation by observing automatic pump starts and stops in response to system demand.
Usage recommendations
Use qualified personnel for electrical installation and configuration. Ensure compatibility with pump voltage and system control signals before installation. Periodically check wiring connections and controller operation as part of routine system maintenance to ensure reliable DHW circulation.

## FAQ

### How much does the Pump controller KG Elektronik SP-04-C.W.U cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 22.07.2026 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 KG Elektronik 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 KG Elektronik 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11867816/67274203_large.webp