Heat Pump Barrel Union plumbing connection for Astralpool iHP heat pumps, Madimack, Sensaheat and many others. Please note picture of thread style.

Notes: 

• Option 1: Comes with 2x Nuts and 2x Tails.
• Option 2: 1x Nut, 1x Glued Tail, 1x Threaded Tail and 1x O-ring.

Dimensions Specifications:

• Nut Thread Internal Diameter: ~72mm
• Nut-side Tail Outside Diameter: ~75mm <--the part you'll see on your heat pump.
• Glued Socket OD: ~60mm-60.5mm
• Glued Socket ID: ~48mm <--suits 40mm Pressure PVC Pipe

As always, PVC pressure pipe dimensions are different to what they are named. See here for explanations.

 20000-130096 / SH-19314