Pair of Orings to suit unions for inlet & outlet of all Hurlcon Astralpool HX 70 / HX 120 / HX 150 / JX 130 / JX 160 gas pool & spa heaters. Also used on Hurlcon & Astralpool 40mm multiports.
Measures approx 66mm OD and 58mm ID and approx 4mm diameter.
More parts listed here:
HX Heater Spare Parts
JX Heater Spare Parts
75109 x 2