# F&F PZ-831 RC Liquid Level Control Relay for DIN Rail Mounting

**URL:** https://aio.lv/en/product--ff-pz831rc--12449010
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Control Systems
**Manufacturer:** FF
**Manufacturer code:** PZ831RC
**EAN:** 5908312592549
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 97.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 80.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-pz831rc--12449010

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The F&F PZ-831 RC is a specialized liquid level control relay designed for monitoring and maintaining fluid levels in tanks or wells. It features independent control levels and is engineered for easy installation on a standard DIN rail. This reliable device is ideal for industrial and domestic automation systems, ensuring precise control of pumps or valves to prevent overflow or dry running.

## Long description

The F&F PZ-831 RC is a professional liquid level control relay engineered to monitor and manage fluid levels in conductive liquid tanks, wells, or reservoirs. This device provides precise automation for pump systems or solenoid valves, ensuring that liquid levels remain within defined parameters to prevent overflow or pump damage due to dry running. Designed for seamless integration into electrical cabinets, it mounts directly onto a standard 35 mm DIN rail.
Advantages
The primary benefit of the PZ-831 RC is its ability to manage independent control levels, allowing for highly customizable automation logic. By utilizing conductive probes, the relay offers a reliable and maintenance-free solution for level detection. Its robust design ensures consistent performance in both domestic water supply systems and industrial liquid management applications. The DIN rail mounting capability simplifies installation and maintenance, making it an efficient choice for modern control panels.
Suitable for
Monitoring water levels in wells and boreholes
Managing liquid levels in industrial storage tanks
Automating pump systems for drainage or filling
Preventing dry running of pumps in irrigation systems
Controlling solenoid valves for fluid distribution
When it may not be suitable
This relay is specifically designed for conductive liquids such as water. It is not suitable for use with non-conductive fluids like oils, fuels, or aggressive chemicals that could damage the probes or fail to complete the electrical circuit.
Key specifications
Mounting type: 35 mm DIN rail
Control type: Independent level monitoring
Compatibility: Conductive liquids
Function: Pump or valve automation
How to use
Installation should be performed by a qualified electrician. Mount the relay onto the DIN rail and connect the power supply according to the wiring diagram. Install the conductive probes at the desired minimum and maximum liquid levels within the tank. Connect the pump or valve control circuit to the relay output terminals. Once powered, the device will automatically trigger the connected equipment based on the signals received from the probes.
What to consider before purchase
Ensure the liquid being monitored is conductive
Verify the voltage requirements of your pump or valve
Check the depth of the tank to ensure probe cable length is sufficient
Confirm the relay's output capacity matches your equipment load
Usage recommendations
Regularly inspect the conductive probes for scale buildup or debris to ensure accurate level detection and reliable operation of the relay.

## FAQ

### How much does the F&F PZ-831 RC Liquid Level Control Relay cost, and is it available for purchase?

The price is 97.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 06.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can F&F PZ-831 RC Liquid Level Control Relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 FF 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 FF 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/12449010/68751892_large.webp