Allied/Len Gordon Pressure Switch [Millivolt] [SPST] (800140-3)

Universal pressure switch designed for pool and spa applications, this Allied Innovations/Len Gordon part provides reliable, chatter-free operation with a 2-1/2 lb differential. It’s a proven replacement option for spa systems requiring millivolt compatibility and SPST control.

• Thread size: 1/8" NPT connection for straightforward installation in standard spa plumbing
• Electrical rating: 24–240 VAC, 1–25 A (millivolt-compatible SPST switch) for broad compatibility with spa controls
• Switch type: SPST (Single Pole, Single Throw) for simple on/off control of the spa system
• Differential: 2-1/2 lb differential to minimize relay chatter and provide stable pressure sensing
• Pan material: Stainless steel pan for corrosion resistance in wet pool/spa environments
• Brand lineage: From Allied Innovations / Len Gordon, a trusted name in replacement spa parts with a long history in the pool and spa industry

This pressure switch functions as a dependable replacement part for Len Gordon spa systems, helping keep heater and pump cycles steady while reducing false starts. Its robust construction and stainless pan are designed for challenging spa environments, making it a practical choice for service professionals and DIY enthusiasts alike who work with gas millivolt heaters and standard spa controllers. With its 1/8" NPT fitting and proven differential, you’ll install with confidence and enjoy continued, reliable operation across a wide range of spa configurations.

Allied/Len Gordon Pressure Switch Only [1/8" NPT] [Millivolt] [SPST] (800140-3)

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.

This uses a stainless pan material. 

Electrical rating 1-25 amps at 24-240 VAC