Merrill pressure switches are guaranteed to give you the best performance. Quality switches, excelling at what you need.
The 30/50 pressure switch signals the pump to start when the water system drops to a preset (e.g. 30 PSI) and stop at high pressure mark (e.g. 50 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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Strong Fiberboard BracketHeavy fiberboard bracket for movement of contacts |
Longer Service LifeLarge silver contacts for longer service life |
Brass Wire ConnectionsBrass wire connections with stainless steel set screws inside brass tube |
1/4 Inch Connection1/4 inch Female NPT connection |
MPS2040 | MPS3050 | MPS4060 | MPS5070 | MPSHD3050 | MPSM43050 | |
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Preset On (PSI) | 20 PSI | 30 PSI | 40 PSI | 50 PSI | 30 PSI | 30 PSI |
Preset Off (PSI) | 40 PSI | 50 PSI | 60 PSI | 70 PSI | 50 PSI | 50 PSI |
Build Type | N/A | N/A | N/A | N/A | Heavy-Duty | 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 | 9.6 | 9.6 | 9.6 | 9.6 | 9.0 | 1.0 |