the Nordyne 632445R Pressure Switch is the mandatory OEM replacement part for ensuring safe furnace inducer motor operation

this switch is mounted on the side of the burner box or near the manifold to monitor for escaping flames or excessive radiant heat

Does the 90-342 replace the MARS 90342

375" height x 1

it prevents the leakage of air and combustion gases

Trane SEN0007 Flame Sensor the Nordyne 632445R Pressure SwitchWhen you're dealing with a Trane SEN0007 flame sensor failure, the furnace typically short cycles or enters a lockout after a few seconds of ignition. This genuine OEM Trane flame sensor, also identified as a probe sensor with part number SEN00007, is the standard replacement flame sense rod for many American Standard and Trane gas furnaces. It features a 1 inch sensor length with a total length of 3 1 4 inches and a standard spade connection for