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Complete HSI Integration: Replaces outdated pilot assemblies with a modern hot surface ignition system for improved reliability
making it an ideal choice for industrial and commercial fluid control
maintaining the precise pressure drop required to transition high-pressure liquid into a low-pressure saturated vapor
preventing moisture buildup that can lead to pressure switch trips or secondary heat exchanger corrosion
Built with a sealed housing for industrial HVAC system components
Lennox 13H78 Relay 320074-702 Complete HSI Integration: Replaces outdatedThe Lennox 13H78 Relay is a heavy duty 24V DPDT relay engineered for precise switching control within Lennox heating and cooling systems. Built to handle dual circuit switching, this double pole double throw relay manages various voltage pathways simultaneously, ensuring consistent communication between the thermostat and high voltage components like blower motors or compressors. Operating at a standard 50 60 Hz frequency, the 13H78 is a critical HVAC
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