---
title: "Trend — hayward air relief valve - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/hayward-air-relief-valve/trend"
last_updated: "2026-08-06T04:51:02.163Z"
locale: en
meta:
  description: "Niche score 70/100 · $39K/yr market · 10K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 70/100 · $39K/yr market · 10K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — hayward air relief valve - Flapen"
---

# **hayward air relief valve**

**Worth a look**

Shows demand growing +139.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 10Growth 96Conversion 95Competition 65Returns 83Price range 68Avg price 95Brand share 82Review moat 93Quality gap 60

**Growth**

**Incredible****+139.4%**

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

**Conversion**

**Incredible****12.5%**

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

**Avg price**

**Incredible****$30.85**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****146.19**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.6%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Price range**

**Good****$8.92–$134.32**

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

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$39K**

$39K/yr · 10K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend