Trane CNT3278 Smart Valve Freon this control is frequently utilized

this control is frequently utilized in both air conditioner split systems and heat pump split systems that utilize dual-stage compressors

Using a different color coil often indicates a different voltage rating

the 669073R is the official technical update and supersedes the 669073

Heat-Resistant Materials: Constructed from heavy-duty polymers that resist thermal cycling and chemicals typically used during AC evaporator coil cleaning

Advanced Override: Equipped with violet/white and violet pigtails for external override (purge) functionality

Trane CNT3278 Smart Valve Freon this control is frequently utilizedThe Trane CNT3278 Smart Valve is a critical ignition control component designed for high efficiency natural gas furnaces. As a veteran grade SmartValve 24v Nat Fast Open 1 2" unit, it integrates both gas flow regulation and electronic intermittent pilot sequencing into a single, compact manifold. This Honeywell SV9501 series equivalent features a fast opening gas valve design, ensuring immediate fuel delivery to the burner assembly for reliable