tool-free installation into standard panel cutouts

For veteran technicians managing steam regulator maintenance

Key Benefits: Factory-Calibrated Precision: Features an optimized 130 degree opening temperature to prevent thermal damage to the heat exchanger during restricted airflow events

This "E" series spring is specifically dimensioned for the 325-5 and 325-5A regulators

Heil Quaker ICP 1009385 Restrictor tool-free installation into standard panelThe Heil Quaker ICP 1009385 Restrictor is a critical OEM replacement part designed for precise airflow management within residential and commercial furnace vent blower assemblies. Engineering this Vent Blower Restrictor "D" SK involves high durability composite materials capable of withstanding the thermal cycles common in high efficiency venting systems. By regulating the static pressure and exhaust velocity, the 1009385 ensures that the draft