- The DiversiTech HLP034 foam pucks are considered a lineset cleaner accessory or foam pigs for use in HVAC and refrigeration systems. They are used in conjunction with a pressurized source (like compressed nitrogen) and a compatible lineset cleaner tool to mechanically clean the interior of copper linesets.
Specification Detail Product Type Foam Puck / Lineset Cleaner Pig Model Number HLP034 Lineset Size 3/4 inch Material Foam (specially formulated) Package Quantity 10 pigs per pack Max Operating Pressure 70 psi (when used with the compatible tool) Air Source Compressed Nitrogen (recommended) Compatible Pipe Material Copper - Brand: DiversiTech Corp