BROAN-NuTone FIN-180B Fan 318423-701 The pre-purge delay ensures the

The pre-purge delay ensures the combustion chamber is cleared of any residual gas or debris before the direct spark ignition sequence begins

Using an incorrect orifice size can lead to improper combustion or frequent pressure switch failures

This unit serves as the direct replacement for R7847A1082/U and R7847A1108

This 125V unit is the industry standard for 110-120V primary voltage systems to handle start-up surges

Industrial-Grade Durability: Built with high-quality alloys to resist oxidation and maintain sensitivity in extreme heat

BROAN-NuTone FIN-180B Fan 318423-701 The pre-purge delay ensures theThe Broan NuTone FIN 180B FreshIn basic supply fan provides a robust 180 CFM solution for maintaining balanced indoor air quality in residential and light commercial applications. Engineered for mechanical makeup air systems, this unit helps contractors meet ASHRAE 62. 2 standards and regional building codes regarding fresh air ventilation. The low profile inline design allows for versatile installations in tight mechanical closets or attic spaces,