# Thermostatic Cartridge Knob FERRO RKPT1 compatible with thermostatic inserts RKPT2

**URL:** https://aio.lv/en/product--ferro-rkpt2--11836303
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** RKPT2
**EAN:** 5901095690327
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 3.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-rkpt2--11836303

## 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

FERRO thermostatic cartridge knob RKPT1 is a replacement control knob designed for use with FERRO thermostatic inserts (model RKPT2). It serves as a user interface for adjusting temperature settings on compatible thermostatic valves. The knob fits specified cartridge geometry and provides manual control for bathroom or kitchen mixer thermostats where the matching insert is installed.

## Long description

FERRO thermostatic cartridge knob RKPT1 is a replacement control knob designed to work with FERRO thermostatic inserts of matching geometry. It provides manual temperature adjustment for compatible thermostatic mixer valves used in bathroom and kitchen fittings. The knob is intended as a direct user interface component for valves where the corresponding thermostatic insert is installed and facilitates reliable, repeatable selection of temperature settings.
Advantages
The knob is shaped to fit the specified cartridge geometry, ensuring a secure and stable connection with minimal play. Its design allows intuitive manual operation for precise temperature selection. As a spare part, it restores full functionality of the mixer control without replacing the entire valve assembly and supports straightforward installation and replacement in field service or maintenance tasks.
Suitable for
Replacement of a worn or damaged control knob on compatible FERRO thermostatic mixer valves
Maintenance and repair of bathroom thermostatic mixers
Upgrading or restoring temperature control handles in residential and light commercial plumbing
Key specifications
Compatibility: designed for use with FERRO thermostatic inserts of matching geometry
Function: manual temperature control knob for thermostatic valves
Application area: bathroom and kitchen mixer thermostats
Mounting: fits specified cartridge mounting interface for a secure attachment
Material characteristics: durable construction suitable for regular manual operation
How to use
Ensure the thermostatic insert is the matching model and that the valve is isolated from the water supply before attempting replacement. Remove the existing knob according to the mixer manufacturer's instructions, align the RKPT1 knob with the cartridge interface, and press or secure it into place until it seats firmly. After installation, check the knob rotation and temperature response by restoring the water supply and adjusting the control through its range to confirm smooth operation and correct temperature adjustment.
Usage recommendations
Use this control knob only with compatible FERRO thermostatic inserts; avoid forcing the knob onto non-matching cartridges. For safety and longevity, perform installation with the water supply turned off and follow local plumbing regulations. If the thermostatic insert shows signs of internal failure, replace the entire insert rather than relying solely on the knob replacement.

## FAQ

### How much does the FERRO thermostatic cartridge knob RKPT1 cost, and is it available for purchase?

The price is 4.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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. 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 FERRO 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 FERRO 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/11836303/67235969_large.webp