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Honeywell
C437D2003
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1-26"w.c. Gas Pressure Switch, 1 3/4"w.c. Differential, Manual Reset, Single Pole Single Throw, Break On Rise, 1/2" Main or High Pressure Connection, 1/8" Vent or Low Pressure Connection
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Honeywell
C437D2011
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1/2-5 psi Gas Pressure Switch, 1/2 psi Differential, Manual Reset, Single Pole Single Throw, Break On Rise, 1/2" Main or High Pressure Connection, 1/8" Vent or Low Pressure Connection
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