Quick view Advantage Controls Advantage Controls Boiler Conductivity Replacement Probes MSRP: $411.00 - $685.00 Stainless steel 1" MNPT bushing and PEEK construction, 75 psi (5.17 bar) max: BE-2 no temperature compensation. MSRP: $411.00 - $685.00 Quick Add Add to Wish list Compare