this unit is a drop-in solution that ensures factory-spec airflow while preventing common pressure switch trip errors associated with aftermarket alternatives

and a built-in air quality monitor for eCO2 and VOCs

OEM Reliablity: A genuine factory component designed to meet the specific manifold pressure requirements of the manufacturer

while the temperature-compensated design ensures precision regardless of ambient fluctuations

whichever occurs first

MARS 32391 Relay 340155-7026 this unit is a drop-inThe MARS 32391 Relay is a field proven solid state delay on make timer engineered to protect HVACR equipment from rapid short cycling. Designed for professional contractors, this universal 2 wire delay on make solution operates across a wide 18 240V AC input range, making it a staple for servicing residential and commercial systems alike. This MARS 32391 adjustable timer features a heavy duty dial that allows for precise time delay relay settings from