# Analog Timer/Programmer BLOW TF-3 (model 72-002#) — single-channel mechanical time switch

**URL:** https://aio.lv/en/product--blow-72-002--11339264
**Data updated:** 2026-04-16 13:24 (EEST)
**Category:** Power Sockets
**Manufacturer:** BLOW
**Manufacturer code:** 72-002#
**EAN:** 5900804009719
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-72-002--11339264

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

BLOW TF-3 is an analog timer/programmer designed as a mechanical time switch for switching electrical loads according to set schedules. The single-channel device offers reliable on/off scheduling using a dial and pins for time segments, suitable for lighting, heating, pumps or other appliances where daily or weekly timed control is required. Easy to install and operate.

## Long description

BLOW TF-3 is an analog timer/programmer designed as a single-channel mechanical time switch for scheduled control of electrical loads. The device uses a 24-hour dial with removable pins to set on/off segments and a central switch for manual override. It is suitable for basic daily or weekly timing tasks where straightforward, repeatable switching is required without digital programming.
Advantages
The TF-3 provides simple mechanical operation that does not require software or battery backups; settings are visible and easy to change by moving pins on the dial. Its single-channel design offers reliable on/off switching for one circuit, and the robust mechanical construction ensures long-term use in standard indoor electrical installations. The manual override switch allows temporary bypassing of the program without losing the set schedule.
Suitable for
 Timed control of lighting circuits (indoor or outdoor via compatible fixtures)
 Switching small pumps and circulating systems on a set daily schedule
 Controlling heating elements or convectors on a basic day/night cycle
 Automating appliances that require repeatable daily switching
When it may not be suitable
The TF-3 is not intended for multi-channel control or complex weekly programming with many distinct event times; it is limited to the single-channel mechanical schedule set on the dial. It may not be suitable where precise digital timing, remote control, network integration, or battery-backed memory is required.
Key specifications
 Type: single-channel mechanical time switch with 24-hour dial
 Control method: removable pins for setting on/off segments and manual override switch
 Typical applications: lighting, heating, pumps, simple appliance automation
 Mounting: panel or DIN-compatible mounting for indoor electrical installations
 Power handling: designed for standard mains circuits (observe device label for rated current/voltage)
How to use
Set the current time on the 24-hour dial and insert or remove the pins to define on/off periods. Connect the load to the timer following electrical safety rules and ensure power is off during installation. Use the central manual switch to choose between automatic program mode and a temporary ON or OFF state. Verify operation by cycling the dial through an active period and observing the switching of the connected load.
What to consider before purchase
 Confirm the timer's rated voltage and current match your circuit and load requirements
 Ensure single-channel control is sufficient for your application
 Verify mounting type and panel space to accommodate the mechanical timer
 Consider whether digital features, remote access, or multi-channel control are needed instead
Usage recommendations
For reliable operation, install the TF-3 in a dry, ventilated enclosure away from direct moisture and excessive dust. Use it for loads within the rated electrical limits and periodically check the physical condition of the pins and dial to maintain accurate switching. When changing schedules, perform adjustments with the power off or according to safe working practices to avoid electric shock.

## FAQ

### How much does the BLOW TF-3 Analog Timer Programmer cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2203 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 09.07.2026 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 BLOW 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 BLOW 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/11339264/65663499_large.webp