I ordered parts for my electric smoker and they came promptly. The parts even had instructions on how to change them.
Bleed off kit - (1/2" w/ 25 ft hose) for
Bleed off kit - (1/2" w/ 25 ft hose) for: all residential coolers
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.