Four module applicator head with heater controlled by a fixed thermostat. H200 Style standard modules (KNH2CA) are used on this applicator head. This applicator head has independent air allowing for modules to fire separately requiring 2 solenoid valves (sold separately). Applicator head will fit to Nordson® Model IV/V standard automatic hoses. Uses KNRN238 retaining nut for nozzles requiring retaining nut and KNH2CA modules.