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Merrill Manufacturing, MPSM42040, 20/40 No-Lead Low Water Cutoff Pressure Switch with Manual Lever
Features:
Note: Factory set pressure range settings are +/- 8 PSI. A mechanical pressure switch factory set can not be more accurate and field adjustments may be needed. (This is not a defect). The maximum operating pressure of the pump and system the switch is to be used with must be a minimum of 12 PSI above the switch shut offsetting.
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