All Electronic Trap Seal Primers Home » Products » Trap Seal Primers » Electronic Trap Seal Primers MI-100 Electronic Enclosed Trap Seal Primer MI-100-MFRU Electronic Trap Seal Primer, with Fire Rated Access Door MI-200 Electronic Trap Seal Primer with Air Gap, Solenoid Valve and Manifold MI-300 Electronic Trap Seal Primer with Air Gap, Solenoid Valve, Manifold and Control Panel MI-300-BP Electronic Trap Seal Primer with Air Gap, Solenoid Valve, Manifold, Control Panel and Battery Pack Power System MI-300-DU Electronic Trap Seal Primer with Air Gap, Distribution Unit and Control Panel MI-300-ENC Electronic Trap Seal Primer with Air Gap, Solenoid Valve, Manifold, Control Panel and Enclosure MI-300-WHA Electronic Trap Seal Primer with Air Gap and Water Hammer Arrestor MI-350-DU Electronic Trap Seal Primer with Air Gap, Distribution Unit and Control Panel in Enclosure