This part is a Series 4000 Pressure Switch, 25A, Tecmark, 1/8"mpt, SPDT, Plastic..
The number on your original switch would be 4015P..
| Manufacturer | Tridelta/Tecmark |
| Switch Type | Pressure |
| Pressure Switch Rating | 1 to 11 |
| PSI Rating | 1 to 11 psi |
| Pressure Switch Amperage | 25A |
| Thread/Pan Material | Plastic |
| Plumbing Connection Size | 1/8" |
| Plumbing Connection Type | Male Pipe Thread (mpt), Male National Pipe Thread (mnpt) |
| Pole/Throw | Single Pole Double Throw (spdt) |
| Pan Material | Plastic |
