# Check Valve Honeywell RV277-1A, backflow preventer, 1" female-male threaded connection (DWZ)

**URL:** https://aio.lv/en/product--honeywell-rv277-1a--11835945
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** Honeywell
**Manufacturer code:** RV277-1A
**EAN:** 4019837020453
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--honeywell-rv277-1a--11835945

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Honeywell RV277-1A is a check valve / backflow preventer designed for fluid systems with a 1" female-to-male threaded connection. The unit prevents reverse flow and contamination of the supply line, suitable for domestic and light commercial water installations. It is used inline on supply pipes to ensure unidirectional flow and protect fixtures and equipment.

## Long description

Honeywell RV277-1A is a check valve designed to prevent backflow and protect water supply lines in domestic and light commercial installations. With a 1" female-to-male threaded connection, this inline backflow preventer ensures unidirectional flow and reduces the risk of contamination of fixtures and connected equipment. The valve is compact and intended for straightforward integration into existing pipework where reliable reverse-flow protection is required.
Advantages
The check valve provides automatic, mechanical prevention of reverse flow without the need for external power. Its threaded female-to-male connection simplifies installation in standard pipe runs and service points. Constructed for routine water system use, the unit maintains flow efficiency while minimizing pressure loss. The design supports easy inline replacement or retrofitting and helps maintain system hygiene by blocking contamination pathways.
Suitable for
Domestic potable water supply lines
Light commercial water installations (small offices, retail spaces)
Inline protection for pumps, heaters, and pressure systems
Retrofitting or replacing existing inline check valves
Key specifications
Connection type: 1" female to 1" male threaded
Function: single-direction check valve / backflow prevention
Application medium: water (domestic and light commercial)
Installation: inline on supply piping
Typical mounting orientation: inline flow direction as marked on body
How to use
Install the check valve inline on the supply pipe following the flow direction indicated on the valve body. Ensure compatible thread sealing (such as PTFE tape or suitable sealant) is applied to the male threads to prevent leaks. Tighten connections to the torque appropriate for the pipe material and fitting size. After installation, run the system and inspect for leaks and correct unidirectional flow before placing the installation back into regular service.
Usage recommendations
Perform periodic visual inspections and check for leaks after initial installation and during scheduled maintenance. If scaling or debris is expected in the water supply, consider upstream filtration or regular maintenance to prevent impaired valve operation. Replace the valve if signs of wear or persistent leakage occur to maintain backflow protection.

## FAQ

### How much does the Check Valve Honeywell RV277-1A cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 20.07.2026 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 Honeywell 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 Honeywell 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

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