DESCRIPTION
ENDURA ES2172-0591 / SINGLE PORT PRESSURE SWITCH .29"WC SINGLE POLE 210102 – Pressure Switches
The ENDURA ES2172-0591 is a precision-engineered single port pressure switch designed for HVAC applications requiring reliable and consistent airflow monitoring. This pressure switch features a single-pole mechanism and is factory-set to activate at .29 inches water column (WC), ensuring responsive performance in your systems.
- Port Type: Single Port
- Pressure Setting: .29 inches WC
- Switch Type: Single Pole
- Model Number: ES2172-0591 / 210102
- Category: Pressure Switches
Compared to many conventional pressure switches, the ENDURA ES2172-0591 offers heightened sensitivity and dependable actuation at a lower pressure threshold. While standard models often require higher activation pressure, this pressure switch is optimized for modern high-efficiency HVAC units, making it suitable as a replacement part or for use in updated systems that demand precision. Its single-port design also simplifies installation and maintenance compared to multi-port versions.
Key Technical Advantages:
Technology and Performance
- Precision Activation: The .29" WC pressure setting allows for more sensitive detection of system changes, helping prevent malfunctions and increasing the efficiency of your HVAC system.
- Versatile Compatibility: Specifically engineered for use in a wide range of single-stage HVAC systems, making it an ideal replacement pressure switch.
- Durable Construction: Manufactured using high-quality components for long service life, even in demanding residential or light commercial environments.
- Simple Single-Pole Design: Reduces wiring complexity, speeding up installation and minimizing potential points of failure.
- Consistent Reliability: The single-port configuration ensures a straightforward airflow path, limiting operational variables and enhancing overall system stability.
If you are searching for a dependable pressure switch for your HVAC system, the ENDURA ES2172-0591 stands out by meeting and exceeding industry reliability benchmarks. Unlike previous models that may require frequent calibration or show higher failure rates due to multi-port or multi-pole designs, this unit’s straightforward build is easier to maintain and remarkably precise.
Choose the ENDURA ES2172-0591 pressure switch to optimize your system’s safety and performance. Its innovative features, technical reliability, and simplified design make it an essential component for modern HVAC setups, whether you’re completing a repair or upgrading to meet new standards.
SHIPPING
Shipping Policy
At Willards HVAC Supply, we take pride in fast, reliable shipping for both standard and freight orders. Please review our shipping terms carefully to understand how your order will be processed and delivered.
1. Order Processing Time
- All orders—both freight and non-freight—are processed and shipped within 24 hours of payment confirmation (excluding weekends and holidays).
- Orders placed after business hours will be processed the following business day.
2. Shipping Methods
We ship using a combination of standard parcel carriers (UPS, FedEx, USPS) and LTL freight carriers depending on the size, weight, and type of product ordered.
- Non-Freight Items: These items ship via standard ground or expedited carrier service. Overnight shipping is available for these items.
- Freight Items: Large or heavy products that require palletization will ship via an LTL freight carrier. Overnight shipping is not available for freight shipments.
3. Delivery Times
- Standard Ground: Most deliveries arrive within 3–5 business days after shipment.
- Overnight Shipping: When selected at checkout (for non-freight items only), we guarantee delivery within 48 hours from when the order is placed.
If we fail to deliver your overnight shipment within 48 hours of shipment, you will receive a full refund of the overnight shipping charge.
4. Overnight Shipping Rate
- Overnight shipping is available at a flat rate of $100 per order (for eligible non-freight items).
- This service includes expedited processing and guaranteed delivery within 48 hours, or your overnight charge will be refunded.
5. Freight Shipping Details
- Freight shipments are delivered curbside to commercial or residential addresses.
- The customer is responsible for unloading the item(s) from the truck unless a liftgate service is purchased or included.
- Inspect all freight deliveries before signing the carrier’s delivery receipt. Note any visible damage immediately and contact us within 24 hours.
6. Tracking Information
Once your order ships, a tracking number will be provided via email. Freight shipments may include a Bill of Lading (BOL) number for status updates through the carrier’s website.
7. Shipping Restrictions
- We currently ship within the contiguous United States only.
- We do not ship to P.O. boxes, APO/FPO addresses, or international destinations.
8. Delays Beyond Our Control
While we strive to meet all delivery timelines, Willards HVAC Supply is not responsible for carrier delays caused by weather, natural events, or other circumstances beyond our control. However, our overnight delivery guarantee still applies to qualifying orders when carrier fault is not involved.
9. Contact Us
If you have any questions about shipping or tracking your order, please contact us at support@willardshvacsupply.com.
Warranty
1-Year Limited Warranty Policy
At Willard’s HVAC Supply LLC, we provide a limited one-year warranty from the date the product is received. This warranty covers defects in materials or workmanship under normal use and installation.
What’s Covered:
- Defective parts due to material or manufacturing faults.
- Product failures under normal, proper installation and use.
Our Promise:
If a defect occurs within one year, we’ll either repair, replace, or refund the product at our discretion.
Not Covered:
- Improper installation, wiring, or misdiagnosis.
- Damage from misuse, neglect, or incompatible systems.
- Normal wear, cosmetic damage, or acts of nature (fire, flood, power surge).
- Labor or shipping costs related to removal or reinstallation.
- Items sold “as-is” or marked “final sale.”
Warranty Claim Steps:
- Email support@willardshvacsupply.com with your order number, part number, description, and photos or video of the issue.
- If approved, we’ll provide a prepaid shipping label for return.
- Drop the return off within two (2) business days of receiving the label.
After inspection, we’ll confirm if the part qualifies for repair, replacement, or refund.
Customer Responsibilities:
- Ensure diagnosis and installation were performed by a qualified technician.
- Return the item in original condition.
- If no defect is found, shipping and handling charges will apply.
Limitations:
Our liability is limited to repair, replacement, or refund. We are not responsible for labor, downtime, or indirect damages.
Non-Transferable:
This warranty applies only to the original purchaser and installation.
Governing Law:
This warranty is governed by South Carolina law.
Contact Info
Willard’s HVAC Supply, LLC
311 Belair Road
North Augusta, SC 29841
Phone: (803) 510-7290
Email: support@willardshvacsupply.com
Use our live chat to text with us.
Hours: Mon–Fri 8AM–5PM (EST)
Doing Business With US
- 1 YEAR WARRANTYFlexibe warranty on all items.
- DISCOUNTS AVAILABLEContact us for savings.
- IMMEDIATE PHONE SUPPORT(803) 510-7290
- FREE SHIPPINGFree shipping on all orders.
- OVERNIGHT AVAILABILITYGet your shipment tomorrow.
- CHAT SUPPORTYour preference for communication.
- PRICE MATCHWe will price-match most competitors.
- SMALL BUSINESSSupport a small business in the USA.
- INFORMATION PRIVACYTop industry standards for security.



