A 1/4″ liquid line and 3/8″ suction line pre-insulated fire rated copper pair coil with 19mm wall insulation, supplied in a 18m coil. The two refrigerant lines are factory-insulated and paired together for fast, neat installation on split system and ducted air conditioning refrigerant line sets. The fire rated insulation meets building code requirements for installations through fire-rated walls and ceiling spaces. Compatible with R410A and R32 refrigerant systems.
