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Built to withstand high-shock environments
preventing the pressure switch from closing
Optimized Performance: Specifically designed to handle the thermal expansion and rotational speeds of Modine unit heater blower assemblies
including Heil and Tempstar models
MARS 32391 Relay 321702-401 Built to withstand high-shock environmentsThe 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
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