water heater gas pressure switch

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US $5-100 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
50000 Piece/Pieces per Week
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Quick Details
Place of Origin:
Shanghai, China (Mainland)
Brand Name:
Model Number:
proof pressure:
contract arrangement:
base:brass, silver alloy
1/4" npt male
Packaging & Delivery
Delivery Time


water heater gas pressure switch
stand up to extended duty applications
different diaphragms for compatibility

           water heater gas pressure switch          


Main parameter:

The LGN20 pressure switch is specifically designed to stand up to extended duty applications. This switch is factory set but capable of field adjustment. It features different diaphragms for compatibility with a wide variety of fluids, and various terminations including a Metri-Pack connector that forms a tight seal when connected. Among the outstanding design benefits are its durable construction, compact size, and enhanced set point integrity. It can be widely used for pool and spa, anti-skid braking systems, water pump systems, and dental air compressors etc.with Screw Terminals

 Series No.



Air,motor oils, transmission oils, jet fuels and other similar     hydrocarbon media;  water (provide with special diaphragm material)

 Pressure Set Point

 Factory set from 0.5 to 150 PSI

 Max Operating Pressure

150 PSI for 0.5-24 PSI set point range

250 PSI for 25-150 PSI set point range

 Proof Pressure

500 PSI

 Burst Pressure

750 PSI for 0.5-24 PSI set point range

1250 PSI for 25-150 PSI set point range

 Operating Temperature Range

-40° C to ~ 120° C

 Switch Type

Direct action, blade contact

 Electric Rating

Resistive: 15 AMP- 6 VDC

               8 AMP- 12 VDC

               4 AMP- 24 VDC

Inductive: 1 AMP- 120 VAC

               0.5 AMP- 240 VAC

 Contact Arrangement

SPST-N.O., N.C.,

1 circuit adjustable dual circuit, or 2 circuits adjustable dual circuit.

Also available areN.O./N.O. dual circuit and N.C./N.C. dual circuit.”F.


#8-32 screws, 1/4” blade


 1/8"NPT Male, 1/4"NPT Male, G1/8" Male, G1/4" Male


Contact: Silver alloy, gold plated

Base: Brass

Cover: Glass reinforced polyester

Diaphragm:Polyimide film (other materials is optional according to media)


Plated Steel, plastic or stainless steel base; various base connector thread sizes; wire leads (potted & sealed). 



Factory site and workshop: 








Products Range:




 Payment Terms  

             1.Loading Port: Shanghai China


            2. Samples Leading Time: 3-7 working days


            3. Delivery Time: Within 7-15 days after payment


           4.Payment:  T/T, Western Union, Paypal  




 After-sales service:

          We promise to deliver the following after-sales service:


         1. Warranty: The warranty period is 12 months starting from the shipping date;


         2. Customers will enjoy free repair services for failures found within the warranty due to manufacturing quality;


        3. For on-site services not arising from manufacturing quality, we shall charge a certain service fee at our discretion based on actual charges incurred such as travel expense;


         4. We provide paid repair services for meter damages not arising from manufacturing quality issues or meter damages not within the scope of warranty