Polypropylene, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)
316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)
Polypropylene, ½ NPT Tube Entry, ¾ NPT Wire Entry, 2 terminals (CH-73)
316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)
316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 4 terminals (CH-74)
Ceramic block, 4 terminals, for NB2 head