I.D. Seal stab fittings from Phillips Driscopipe are polyethylene fittings and headers for geothermal heat pump systems. These stab fittings feature both external and internal seals, and the body design eliminates all external parts. No additional assembly equipment is required for installation; users need only chamfer the pipe and push. The product has been pressure-rated to 160 psi and is available in various configurations. Phillips Driscopipe, Card No. 261