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KL 2131
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Model 2131: Sealed Tank Mount Pressure Switch - 1/4" NPT (100–130 PSI)
AUTOMATED PRECISION
The Kleinn Model 2131 is the heavy-duty "brain" of your air management. It takes absolute control, automatically signaling your compressor to kick ON when levels drop and OFF before exceeding safe limits. Engineered specifically for Kleinn 130 PSI Systems, it features a fully sealed housing and heavy-duty 12-gauge wires to thrive in the most extreme environments.
CRITICAL SAFETY ARCHITECTURE
Never compromise your rig. For maximum performance and total system protection, the 2151 MUST be paired with a 40-amp relay (Model 340) and a safety relief valve (Model 52155).
FAILSAFE DESIGN
This essential combination maintains strict pressure limits. If the switch eventually wears, the safety relief valve acts as your early warning system- Model 52155. If you hear the safety valve releasing repeated, high-pressure blasts of air, it is a definitive signal that your pressure switch has failed to cut off power that feeds the compressor. This alert tells you to immediately disconnect power to the compressor and replace the pressure switch before system damage occurs.
This pressure switch is specifically designed for use with Kleinn 130 PSI systems. To ensure the perfect fit for your application, match the pressure switch to the 130 PSI Rating of your compressor.
Kleinn Air Systems compatible with the 2131:
Kleinn Systems compatible with the 2131:
SHIELD YOUR INVESTMENT
For maximum reliability and long-term performance, power this switch via an ignition source of 10+ amps. This MUST be used in conjunction with a 30/40 amp relay (like the Kleinn Model 340) to shield internal contacts from high-amperage surges during compressor startup. Proper isolation ensures consistent switching and hammers down on premature wear.
DON'T LET MOISTURE KILL YOUR SYSTEM.
Pressure switches are high-performance wear items. To maximize longevity, use the Kleinn Snorkel Air Filter Relocation Kit included with all of our air compressors. By routing your air intake inside the vehicle cab, you significantly reduce moisture intake, stop internal tank corrosion dead, and effectively double the service life of your pressure switch.
Pressure Switch Specifications
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2131 Pressure Switch Details |
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Part Number |
Model 2131 |
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Warranty |
1-Year |
|
Pressure On / Off |
100 PSI On / 130 PSI Off |
|
Wiring |
Two 12-Gauge non-polarized leads |
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Safety Valve Compatibility |
Use Model 52155 |
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Tank Fitting Size |
¼” M NPT |
|
Protection |
Sealed Design for Moisture Resistance |
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Compatible Relay |
Model 340 40-amp SPDT 12v Auto Relay |
Installation Instruction Links:
Compressor Overview & Instructions

$32.95
Kleinn Automotive Accessories is committed to delivering high-quality products to our customers. We stand behind the craftsmanship and materials of our products by offering a comprehensive one-year limited warranty. This warranty is extended to the original purchaser, ensuring that when our products are installed properly and used under standard conditions, they will be free from defects in workmanship and materials for a period of one year from the original date of purchase.
This warranty encompasses a promise that the product you have purchased will perform as expected under normal use conditions and will not suffer from flaws in materials or craftsmanship. However, it is important to note that this warranty does not cover any damage that results from abusive use, operation that is not in line with the product’s intended purpose, or harm resulting from exposure to harsh environmental conditions. In the event that a product is found to be defective within the warranty period following a thorough inspection, Kleinn Automotive Accessories reserves the right to either repair or replace the defective item at no additional charge to the purchaser. It is our goal to ensure that our products meet the high standards that our customers expect, but we also want to clarify that Kleinn is not responsible for covering any costs related to the installation of our products, nor are we liable for any loss or damage that may occur as a result of the repair or replacement process of any product under warranty.
Understanding the specific needs of our customers and the demands placed on certain products, Kleinn Automotive Accessories is pleased to offer an exclusive extended two-year warranty for our 6450/6650 Compressors and 730 Horns. This special warranty extension reflects our confidence in these products’ durability and performance. Eligible products under this extended warranty will enjoy all the benefits of our standard one-year warranty with an additional year of protection, totaling two years from the date of purchase. This extended warranty coverage ensures that these specific models, recognized for their robustness and reliability, receive the extra assurance customers desire for these critical components.
Should you need to initiate a return under the warranty, we have a straightforward process designed to make it as convenient as possible for our valued customers. To start, you will need to email a copy of your sales receipt, which must be dated within the past year for standard warranty claims or within the past two years for claims under the extended warranty for the 6450 Compressors and 730 Horns. This email should be directed to our Warranty Manager and include your full name, email address, telephone number, and a concise description of the problem you are experiencing.
Upon receipt of your email, a dedicated representative from Kleinn Automotive Accessories will reach out to you directly. Our first step will always be to attempt to resolve the issue through technical support, aiming to provide a quick and effective solution. If the problem cannot be addressed remotely, our representative will issue a Return Authorization number. This number is crucial as it will identify your return throughout the inspection process. You are then required to send the product back to Kleinn Automotive Accessories for a comprehensive physical inspection.
Upon inspection, if the product is determined to be defective due to issues in workmanship or materials, Kleinn will undertake to either repair or replace the product at our discretion. We are committed to ensuring that our customers receive products that meet our high-quality standards, and we will make every effort to resolve warranty claims to your satisfaction. However, if the inspection reveals that the product does not have a material defect, we will return the unit to the customer. In such cases, the shipping costs for the return will be the responsibility of the customer.
Your item must be in its original unused condition to be returned, unless there is a manufacturer defect. You must return the item within 30 days of your purchase.
1. Please email support@kleinn.com to request a refund and we will assign you a Return Authorization #.
2. Mail your returned item to:
Kleinn Automotive Accessories
Returns Department
4045 N Highway Drive
Tucson, AZ 85705
3. Include in your package a signed letter stating the reason for your return and the original receipt.
Merchandise that has been worn, used, or altered will not be accepted for return or exchange.
All returns are subject to a 15% restocking fee, which will be deducted from your refund. If shipping and handling fees were applied to your order, they are non-refundable.