50mm Hurlcon Astralpool Pump, Heater, Chlorinator Barrel Union Nuts & Tails

$26.95 Regular price $33.00
Tax included. Shipping calculated at checkout.

Plumbing Pipe Barrel Unions (Nut, Tail & O-Ring) to suit Hurlcon, AstralPool heaters, pumps (CX, CTX, TX, E series), filters, salt chlorinators, etc. Also suits 50mm MPVs. 

These are much stronger than the old style unions found on equipment years ago. The nut is much thicker. Comes with nut, tail and o'ring. May also suit many Reltech pumps and equipment.


  • All Astralpool / Hurlcon Chlorinators
  • All Astralpool / Hurlcon Pumps
  • Gas Heaters - MX, Viron, HiNRG (not HX, JX)
  • All 50mm Astralpool / Hurlcon Sand Filters (not 40mm Multiport Valves)
  • All Astralpool / Hurlcon Cartridge Filters

Shipped Fast from NSW, VIC, QLD. 
Pick-up is available from our Factory / Showroom at 10 Industry Blvd, Carrum Downs, Vic. 

50mm Astralpool Barrel Union Set

Suits: Hurlcon Astral Pool Pumps / Chlorinators / MX Heaters / Viron Heaters / HiNRG Heaters, Heat Pumps and most other Astralpool Hurlcon equipment.

Does not suit HX, JX, or WX gas spa heaters.
For HX/JX/WX barrel unions, go here.

Dimensions: 66mm inner Lip. Also suits Jacuzzi J-HN250C & J-HN400C heaters.

One Set Includes 1 Nut, 1 O-Ring, 1 Tail for 50mm PVC. Originally also came with a 40mm adaptor tail, but now comes with 50mm. If you need to plumb to 40mm pipe, please purchase 50/40 bush.