Pool Heat Pump Flow Switch
Universal Pool Heat Pump Flow Switch
Product Description
This universal pool heat pump flow switch is designed to suit the majority of branded pool heat pumps and electric pool heaters on the Australian market. It monitors water movement through the heater and ensures the system only operates when sufficient flow is detected. This protects the heat pump from overheating, prevents dry-running, and improves overall system safety and performance.
Built using high-temperature, chemical-resistant materials, this flow switch offers long service life even in harsh pool environments including saltwater, mineral, and chlorinated pools. It is a direct replacement for many OEM flow switches used by leading heat pump manufacturers.
Short Info
- Application: Detects adequate water flow through pool heat pump
- System Type: Electric heat pump and pool heater flow protection
- Material: High-impact polymer housing with stainless sensor blade
- Installation: Direct inline replacement, simple two-wire connection
Features & Benefits
- Universal design compatible with most major pool heat pump brands.
- Protects the heat pump from overheating by preventing dry-running.
- Improves system safety by ensuring the heater only operates with adequate flow.
- Chemical and temperature resistant materials ensure long life in harsh pool conditions.
- Simple installation using the existing threaded fitting and two-wire connection.
- Restores proper operation in systems showing low-flow, flow-fault or “no water flow” errors.
Compatibility – Fits Most Major Brands
This universal flow switch is compatible with a wide range of residential pool heat pumps, including:
- Aquatight heat pumps
- Pentair Ultratemp HX / HXi / VX / VXi heat pumps
- Madimack Elite, InverEco, Eco and GT series
- Aquark / Mr. Perfect heat pumps
- EvoHeat DHP, Fusion series, Force series and Inver models
- AstralPool Eco heat pumps / Zodiac heat pumps
- Sunlover Heat Pumps
- Eziheat Infinity and Serenity and other OEM rebranded units
- Hender heat pumps
- Hayward heat pumps
- Waterco & Davey heat pumps
- Generic imported pool heat pumps using two-wire blade flow switches
Common Symptoms of a Faulty Flow Switch
- “Low Flow” or “Water Flow Fault” (E03) appearing on the display
- Heat pump starts then shuts down repeatedly
- Heater will not start even though the pump is running
- Intermittent heating or inconsistent temperature output
What This Flow Switch Replaces
This is the replacement for many OEM blade-type flow switches used in modern pool heat pumps. If your unit uses a threaded inline flow switch with a two-wire sensor lead, this universal model is typically compatible.
Why Buy from HeaterFix?
- We are 100% Australian owned & operated.
- We are fully qualified with gas license - GF9918.
- We are Warranty agents for many pool heater manufacturers.
- We have been installing pool & spa heaters since 1995 (30 years)
- We are Australia's number 1 supplier of pool and spa heaters, parts & accessories.
- Our 300sq mt warehouse stores over 10 brands of gas heater and pool heat pumps with over 3000 new heater parts & over 500 used parts.
- We offer fast shipping to you door, Australia wide.
- We provided support like no other because we are the people who install, service and repair pool & spa heaters.
If your reading this then we can guarantee you, you've come to the right place.
What Our Clients Say!
5 STARS
HeaterFix gave us great service in replacing our Hurlcon HX120 spa heater. We didn’t expect to see it until November, but it arrived in a week and is installed. Well done Jason.
B Wendt/Glen Waverley VIC
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5 STARS
He had our Pool Heater installed a few weeks ago, and the advice on the best location and positioning was more than just fit and leave it was working within the space and surroundings to suit our needs. Price is important, but you always remember the quality. Thank You.
Peter L/Yokine WA
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5 STARS
Fast efficient service. It’s great to deal with a company that provides such great service, 5 stars all the way.
D Cartwright/Surfers Paradise QLD
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5 STARS
This is one professional Company. I had an issue with my gas spa heater. I spoke with Jason who guided me through a couple of self checks and finally isolate the problem. His advise and knowledge was outstanding. The parts were promptly sent, installed and operation is perfect. Highly recommended.
M Jones/Forster NSW
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