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Dayton pressure switch, compact grey housing, 1/4 inch FNPT port, Auto/Off lever, 40/60 PSI markings

Dayton

Dayton Pressure Switch 40/60 PSI Auto/Off

SKU CH-BYTT-C2Y61

Controls water-pump pressure at 40/60 psi with DPST contacts, 1/4 in FNPT port, CSA and UL listed

  • TypeLight Switch
  • Auto/Off control simplifies water-pump operation
  • Factory-set 40/60 psi range covers common residential needs
  • Adjustable 15–50 psi differential fine-tunes cut-in and cut-out points
  • DPST contacts handle 1.5 hp at 120 V and 2 hp at 240 V
  • CSA certified and UL listed for code-compliant installations

Pressure Switch 40/60 PSI

The Dayton pressure switch controls water-pump motors in residential and light-commercial systems. It opens and closes the circuit automatically when pressure reaches the factory-set 40/60 psi points. A manual Auto/Off lever lets the user disable the pump for maintenance. The unit is CSA certified and UL listed.

Thermals Noise Power

The switch operates reliably from -22 to 250 degrees Fahrenheit. Its NEMA 1 enclosure is intended for dry indoor locations. Electrical contacts are DPST rated for 1-1/2 hp at 120 V single-phase and 2 hp at 240 V single-phase. No unloader valve is fitted, so the pump stops cleanly at cut-out pressure.

Sustained Load Behaviour

The adjustable differential spans 15 to 50 psi within a 10 to 100 psi range, allowing the installer to match the tank draw-down. Standard action keeps the pump cycling consistently during prolonged demand. The 1/4 inch FNPT port connects directly to common tank tees without adapters.

Highlights

  • Auto/Off control simplifies water-pump operation
  • Factory-set 40/60 psi range covers common residential needs
  • Adjustable 15–50 psi differential fine-tunes cut-in and cut-out points
  • DPST contacts handle 1.5 hp at 120 V and 2 hp at 240 V
  • CSA certified and UL listed for code-compliant installations

Specifications

BrandDayton
TypeLight Switch

Questions about this item

How do I wire the 1/4 in FNPT port and the DPST contacts for the 40/60 psi auto/off settings?

Connect the water pump to the 1/4 in FNPT port and wire the DPST contacts to the motor circuit; the switch activates at 40 psi and cuts out at 60 psi per the factory setting.

Which components wear out first and when should I replace the switch?

The internal diaphragm and electrical contacts degrade over time; replace the unit if the cut‑in drifts below 40 psi or the cut‑out exceeds 60 psi.

What is the first limit reached during continuous pumping at 120 V?

The 1 1/2 hp motor rating at 120 V is the first limit; sustained operation above that load will trip the switch or overheat the contacts.

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