{TAIL ~ An assembly} 15 wherein a pullout force of at least 25 pounds is required to pull the heater out of {HEAD ~ the housing} 
{ TAIL ~ An assembly } 15 wherein a pullout force of at least 25 pounds is required to pull the heater out of { HEAD ~ the housing }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD