Always verify against the unit’s parts list

The V43CV-2 is primarily designed for non-corrosive refrigerants and standard water

while the two-position (on/off) actuator provides predictable system response for fan coils

saving time on-site during emergency repairs

high-torque performance in demanding airflow control applications

Armstrong Furnace R37520B016 Rollout Switch 326070-701 Always verify against the unit’sThe Armstrong Furnace R37520B016 Rollout Switch is a vital safety component engineered for precision in high efficiency heating systems. Known by its technical specification as an L275F rollout switch, this thermally activated device is designed to detect flame rollout conditions, protecting your furnace from damage and ensuring safe operation. When heat exchanger issues cause flames to escape the combustion chamber, this high limit manual reset