---
title: Which generation of HRV Valve do I have
description: "The original HRV valves was launched in 2007 and is easily identified by 8 screws holding the lid in place and a lever assembly under the solenoid [![](https://husqvarna-water.com/wp-content/uploads/2021/09/HRV-100-FF-FC-150x150.png)](https://husqvarna-water.com/wp-content/uploads/2021/09/HRV-100-FF-FC.png) In 2020 the HRV received a major update. The updated valve uses…"
url: "https://husqvarna-water.com/knowledgebase/which-generation-of-hrv-valve-do-i-have/"
updated: "2023-02-10"
category: Valves / HRV
tags:
  - HRV
  - Valves
---

# Which generation of HRV Valve do I have

The original HRV valves was launched in 2007 and is easily identified by 8 screws holding the lid in place and a lever assembly under the solenoid
 [![](https://husqvarna-water.com/wp-content/uploads/2021/09/HRV-100-FF-FC-150x150.png)](https://husqvarna-water.com/wp-content/uploads/2021/09/HRV-100-FF-FC.png)

In 2020 the HRV received a major update. The updated valve uses a diaphragm and solenoid shared with the HRP series. The screws were reduced to 4 and the lever assembly was removed.

[![](https://husqvarna-water.com/wp-content/uploads/2020/12/HRV-100-R-Flow-Control-150x150.png)](https://husqvarna-water.com/wp-content/uploads/2020/12/HRV-100-R-Flow-Control.png)