Quick view Advantage Controls Advantage Controls Threaded Mount Conductivity Probes AH-4 Insertion Style MSRP: $233.00 Stainless steel 1" MNPT bushing and CPVC construction; 250 psi (17.3 bar), 212°F (100°C) max: AH-2SS, AH-4ASS, AH-4BSS MSRP: $233.00 Quick Add Add to Wish list Compare