Note that this specific model is a "less coil" assembly

Featuring a short shaft design with a 1/2-inch diameter and 2-7/8-inch length

Provides active protection against missing phase

it utilizes a 7

5" WC operating pressure

Resideo R24AA2006 Heat Sequencer 322057-301 Note that this specific modelMaximize the efficiency of your staged heating setups with the Resideo R24AA2006 Heat Sequencer. Engineered specifically for HVAC heat pump air handlers and electric furnaces, this 24VAC heat sequencer manages the timed activation of heating elements to prevent localized grid overload and minimize the initial cold air blast during system startup. As a single pole double throw (SPDT) model, it provides the precise switching required for multi stage