34APPENDIX CPRESSURE CHECK DIAGRAMPG9UAA PRESSURE SWITCH MAKE/BREAK POINTSUNIT SIZE (BTUH) HIGH--HEAT PRESSURE SWITCH LOW--HEAT PRESSURE SWITCHMake Point Break Point Make Point Break Point60,0001.81 in. W.C. max 1.63 in. W.C. +/-- 0.050.86 in. W.C. max 0.71 in. W.C. +/-- 0.0580,000 0.91 in. W.C. max 0.76 in. W.C. +/-- 0.05100,000 0.95 in. W.C. max 0.81 in. W.C. +/-- 0.05120,000 0.86 in. W.C. max 0.71 in. W.C. +/-- 0.050-4 IN.SLOPE GAGEA95050Fig. 4 -- Pressure Check Diagram