---
title: "Reviews — pentair air relief valve - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pentair-air-relief-valve/reviews"
last_updated: "2026-08-11T09:46:15.990Z"
locale: en
meta:
  description: "Niche score 56/100 · $148K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 56/100 · $148K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — pentair air relief valve - Flapen"
---

# **pentair air relief valve**

**Worth a look**

Shows searches that convert (15.2% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 32Growth 75Conversion 97Competition 22Returns 85Price range 55Avg price 72Brand share 38Review moat 66Quality gap 52

**Conversion**

**Incredible****15.2%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Great****1.5%**

return rate — above 5% kills the launch gate

**Growth**

**Good****+59.5%**

90-day search growth — must beat 0% to launch

**Avg price**

**Good****$14.68**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****844.75**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$8.94–$22.40**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****82%**

top-5 brand share — brands hold most of the demand

**Market size**

**Okay****$148K**

$148K/yr · 66K searches

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

## Reviews