Merrill pressure switches are assured to give you the best performance. Quality switches, excelling at what you need.
The 40/60 pressure switch signals the pump to start when the water system drops to a preset (e.g. 40 PSI) and stop at high pressure mark (e.g. 60 PSI). This switch is to be used with submersible well pumps or as a replacement switch. It can be wired 115 volt or 230 volt.
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Stronger Fiberboard BracketHeavy fiberboard bracket for movement of contacts |
Longer Service LifeExtra large silver contacts for longer service life |
Heavy Brass Wire ConnectionsHeavy brass wire connections with stainless steel set screws inside brass tube |
Storable Hex WrenchHex wrench included and storable inside the base of the switch |
MPSHD3050 | MPSHD4060 | MPSHD6080 | MPS4060 | MPS5070 | MPSM44060 | |
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Preset On (PSI) | 30 PSI | 40 PSI | 60 PSI | 40 PSI | 50 PSI | 40 PSI |
Preset Off (PSI) | 50 PSI | 60 PSI | 80 PSI | 60 PSI | 70 PSI | 60 PSI |
Build Type | Heavy-Duty | Heavy-Duty | Heavy-Duty | N/A | N/A | Manual Lever |
Connection Type | 1/4" Female NPT | 1/4" Female NPT | 1/4" Female NPT | 1/4" Female NPT | 1/4" Female NPT | 1/4" Female NPT |
Weight | 0.90 lbs | 0.90 lbs | 0.90 lbs | 0.96 lbs | 0.96 lbs | 1.0 lbs |