Nordyne 632657 Pressure Switch 340155-7024 this 2-position electrical actuator provides

this 2-position electrical actuator provides the reliable mechanical force necessary to open or close valves in response to terminal unit controllers

A lockout typically occurs if the flame rod does not detect a microamp signal within the 7-second TFI window

Contractors will find the no-neutral wire required installation a major advantage for retrofitting older junction boxes where a neutral may not be present

This unit is the designated direct replacement for the Belimo SM220

Nordyne 632657 Pressure Switch 340155-7024 this 2-position electrical actuator providesThe Nordyne 632657 Pressure Switch is a critical safety and operational component designed for Nordyne HVAC systems including Miller, Intertherm, and Frigidaire brands. As a technician, you know that a failed furnace pressure switch often results in a lockout by preventing the inducer motor from completing the safety circuit. This genuine OEM replacement is factory calibrated to specific Pascal or inches of water column requirements to ensure the