Threaded Eyeball Return – 40/50mm. Used in Vinyl & Fibreglass pools and spas. Maximum flow rate is 250lpm. We never recommend a single eyeball return for gas heaters. See below for our recommendations.
Number of Eyeballs Recommended for Gas Heaters
- 70mJ to 300mJ heaters – Two Eyeballs
- 350mJ to 500mJ Heaters – Three Eyeballs