Dual module applicator head with heater controlled by RTD sensor. H200 Style standard modules (KNH2CA) are used on this applicator head. This applicator head has independent air firing modules at separate times and requiring 2 solenoid valves (sold separately). Applicator head will fit to Nordson® 2300/3000/ProBlue® and DuraBlue™ standard automatic hoses. Uses KNRN238 retaining nut for nozzles requiring retaining nut.