# Safety valve for backpack sprayers Marolex R03DT, model R03DT

**URL:** https://aio.lv/en/product--marolex-r03dt--12014213
**Data updated:** 2026-03-11 20:48 (EET)
**Category:** Garden Equipment Accessories
**Manufacturer:** Marolex
**Manufacturer code:** R03DT
**EAN:** 5904235000222
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 7.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--marolex-r03dt--12014213

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Replacement safety valve Marolex R03DT designed for use with Marolex backpack sprayers. This safety component helps prevent overpressure in the sprayer tank, ensuring safer operation during chemical application. Suitable for maintenance and repair of compatible Marolex Titan backpack sprayers; recommended for professional and hobby gardening use.

## Long description

Replacement safety valve designed for Marolex backpack sprayers, model R03DT. This component fits into compatible Marolex Titan series tanks and serves as an overpressure relief device to reduce the risk of tank rupture or leakage during pressurised spraying. The valve is intended for maintenance and repair of backpack sprayers used in professional pest control, horticulture, and home gardening.
Advantages
The safety valve restores the tank’s built-in overpressure protection and helps maintain stable operating pressure during spraying. Constructed to be compatible with Marolex backpack sprayer assemblies, it is compact and straightforward to install without modifying the tank. Using a dedicated replacement part preserves the original safety function and extends the service life of the sprayer.
Suitable for
Replacement of worn or damaged safety valves on Marolex Titan backpack sprayers
Maintenance and repair tasks in professional and hobby gardening
Safety upgrades when preparing sprayers for chemical application
Key specifications
Function: overpressure relief / safety valve for backpack sprayer tanks
Compatibility: designed for Marolex backpack sprayer models within the Titan series
Material characteristics: durable molded components suitable for chemical exposure (see sprayer manual for chemical compatibility)
Mounting: intended to replace the original valve in the designated valve seat of the sprayer tank
Size and shape: compact form factor matching original equipment dimensions for correct fit and sealing
How to use
Before installation, depressurise and empty the sprayer according to the manufacturer’s safety instructions. Remove the old or damaged valve from the valve seat and inspect the sealing surfaces for residue or damage. Clean the seat area, then insert the replacement safety valve and press it into place until it seats securely. After installation, perform a leak and pressure test using water to confirm correct operation before applying chemicals.
Usage recommendations
Always follow the sprayer manufacturer’s instructions for maintenance and chemical handling. Replace the safety valve if it shows signs of wear, sticking, or if the sprayer cannot hold recommended pressure. Use the valve only with compatible Marolex backpack sprayers and verify chemical compatibility with the sprayer manual to avoid premature degradation.

## FAQ

### How much does the Safety valve Marolex R03DT cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 Marolex 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 Marolex 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/12014213/67503041_large.webp