Dual module standard applicator head with heater controlled by a RTD sensor. H200 Style air open/air closed (AO/AC) modules (KNH44C) are used on this applicator head. Applicator head is common air which allows one solenoid (included with head) to fire both modules simultaneously. Applicator head will fit to Nordson® 2300/3000/ProBlue® and DuraBlue™ automatic hoses. Uses KNRN238 retaining nut for nozzles requiring retaining nut and KNH44C modules.