Johnson Controls V-3800-660 Packing Nut Field-Replaceable Element: The internal color

Field-Replaceable Element: The internal color indicator paper can be serviced on fused glass models

especially regarding exact insertion depth and snap-action response times

upgrading to a higher VA rating like 40VA is generally recommended if you are adding accessories like UV lights or smart thermostats

High Dielectric Strength: Rated for 370Vac to handle back EMF and voltage spikes in rigorous cooling cycles

It facilitates a clean break of the start circuit once the motor reaches sufficient RPM

Johnson Controls V-3800-660 Packing Nut Field-Replaceable Element: The internal colorJohnson Controls V 3800 660 Packing Nut, Used with V 3800 Series