Pressure Control and Limit Cross Reference - Industrial Controls

C437 GAS PRESSURE SWITCH CROSS REFERENCE (Continued).Specifications/Functions of the Device to be ReplacedMaximumOperating Differential Surge SwitchDevice to Current Pressure 4 5 6Pressure Manual Switch Actionbe Replaced Replacement Range Range Type (psi) Reset Type (breaks) CommentsC437H1035 C437H1035 1-10 psi 0.5 psi fixed, additive 30.0 no spst pressure fallC437H1043 C437H1043 .5-5.5 in. wc 0.25 in. wc fixed, additive 3.0 no spst pressure fallC437H1050 None Never produced.C437H1068 None Never produced.7C437H1076 C437H1076 1-26 in. wc 1.25 in. wc fixed, additive 5.0 no spst pressure fall NEMA 2-3R enclosure rating.7C437H1084 C437H1084 0.5-5.0 psi 0.25 psi fixed, additive 15.0 no spst pressure fall NEMA 2-3R enclosure rating.37C437H1092 C437H1092 1-10 psi 0.5 psi fixed, additive 30.0 no spst pressure fall NEMA 2-3R enclosure rating.33C437H1100 C437H1001 1-26 in. wc 1.25 in. wc fixed, additive 5.0 no spst pressure fall With mounting brackets.33C437H1118 C437H1037 0.5-5.0 psi 0.25 psi fixed, additive 15.0 no spst pressure fall With mounting brackets.33C437H1126 C437H1035 1-10 psi 0.5 psi fixed, additive 30.0 no spst pressure fall With mounting brackets.11C437J1008 C437J1008 1-26 in. wc 1.25 in. wc fixed, subtractive 5.0 yes 2 spst fall/rise Lockout on pressure rise.11C437J1016 C437J1016 0.5-5.0 psi 0.25 psi fixed, subtractive 15.0 yes 2 spst fall/rise Lockout on pressure rise.11C437K1007 C437K1007 1-26 in. wc 1.25 in. wc fixed, additive 5.0 yes 2 spst fall/rise Lockout on pressure fall.11C437K1015 C437K1015 0.5-5.0 psi 0.25 psi fixed, additive 15.0 yes 2 spst fall/rise Lockout on pressure fall.FOOTNOTES:1Two separate mercury switches in one bulb. Two spst circuits; one breaks, one makes.234567Replacement scaleplate units are: in. wc, mm wc, and kPa.If required, order part no. 4074 BWK Mounting Brackets.For pressure ranges of 0.5-5.5 in. wc, the differential is measured at 0.5 in. wc.For pressure range of 1-26 in. wc, the differential is measured at 15 in. wc.For pressure ranges 0.5-5.0 psi and 1-10 psi, the differential is measured at midscale.Driptight, dustproof, weather resistant.