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