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Allied 800140-3 (3903-EADE)
Universal Pressure Switch
Introduced in 1993 specifically for the pool and spa industry, this pressure switch is designed with a 2-1/2 lb differential to completely eliminate oscillating or chattering relays.
Available as 1/8 npt version or a 1/8" barb fitting. 3/16" or 1/4" tubing adapters sold separately. Electrical rating 1-25 amps at 24-240 VAC
![Allied Pressure Switch Only [1/8" NPT] [Millivolt] [SPST] (800140-3)](http://bathparts.com/cdn/shop/files/0E1B5492-2B9B-43E2-AE9A-AB33FEB1898E.png?v=1729574519&width=1024)
![Allied Pressure Switch [25 Amp] [1/8" NPT] 800120-3 (4015P)](http://bathparts.com/cdn/shop/products/800120-0.jpg?v=1659547353&width=600)
![Allied Pressure Switch [25 Amp] [1/8" NPT] 800120-3 (4015P)](http://bathparts.com/cdn/shop/products/47-439-1250_1-REVERSE__XL.jpg?v=1675284331&width=1600)
![Allied Pressure Switch (800220-3) (4015P) [800120-3]](http://bathparts.com/cdn/shop/products/800220-3.jpg?v=1738625327&width=1600)
![Allied Pressure Switch (800220-3) (4015P) [800120-3]](http://bathparts.com/cdn/shop/files/4015P-pressure_Switch.jpg?v=1738625345&width=1600)
![Allied (DTEC) Pressure Switch [1 Amp] [1/8" NPT] (800240-3)](http://bathparts.com/cdn/shop/products/TDI-3902_1a3414d2-abd1-4505-afdc-9d0ebe2c9536.jpg?v=1656082312&width=1000)
![Allied/Len Gordon JAG-4X Air Switch [SPDT] [Latching] (860016) (860014-33) (TBS-301)](http://bathparts.com/cdn/shop/files/59-319-1700_XL.jpg?v=1725641134&width=1600)
