NP138 - Duct Heater Insulator OD 7/8 in. Id 13/32 in. W 7/16
Napco NP138 is a duct heater insulator that is designed to provide optimal performance and long-term reliability in HVACR systems1. It has an outer diameter of 7/8 inches, an inner diameter of 13/32 inches, and a thickness of 7/16 inches1. The insulator is lightweight, weighing only 0.1 lbs, and is built to withstand constant exposure to regulating temperatures and pressures in HVACR systems1. It helps to reduce wear and tear on the entire system while providing even temperature regulation1. The Napco NP138 insulator is a high-quality HVACR service part specifically designed to provide lasting functionality while reducing the cost of labor and materials associated with renovation and maintenance1.