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- Merrill™ Pressure Switch, FNPT, 40 psi at ON/60 psi at OFF
- Captive nut on cover
- 1/4 in FNPT pressure switch pipe connection
- Adjustment instructions are inside top cover
- Contact points open on cut-out pressure - switch off
- Points close on cut-in or pressure drop - switch on
- Each turn of the adjustment screw is 2 psi
- Lead free
- Connection TypeFNPTManufacturerMerrillManufacturer #MPSP4060