Wilkins ZW4004GSS-S | 2-1/2" Fire Control Pressure Reducing Valve
Wilkins ZW4004GSS-S | 2-1/2" Fire Control Pressure Reducing Valve is backordered and will ship as soon as it is back in stock.
Shipping
Shipping
🚚✨ Free Shipping in the Continental U.S.
All Products. No Minimums.
Estimated Shipping Times:
Important Note on Delivery Times
All shipping estimates provided are approximate only. While we always strive to meet or exceed your delivery expectations, we cannot guarantee the exact delivery times listed.
For time-sensitive orders, please contact us directly so we can provide a more accurate lead time estimate based on your specific requirements.
Same Day Shipping
All in stock orders received before 3PM EST will ship the same day. Orders received after 3PM EST will ship the following business day.
Water Filters, Hand Dryers, & Indoor Bottle Fillers are our most popular in stock items.
Outdoor Tubular Drinking Fountains
Evergreen normally ships in 5-15 days. Black, Gray and Blue ship in 2-4 weeks.
Ice Machines
In stock units ship within 48 hours. Other units normally ship in 2-4 weeks.
Other
Orders that ship directly from a manufacturer normally have a firm shipping estimate but those dates are subject to change due to manufacturer production, inventory or shipping. We do our best to estimate ship dates but orders shipping directly from the manufacturer can have unexpected delays. We will confirm tracking information when orders ship directly from a manufacturer but may not have updates or estimates beyond the original estimate. Once your order is placed with the manufacturer, it may not be able to be cancelled even if it hasn't shipped yet.
Please contact support@bottlefillingstations.com to confirm delivery time for a specific product or quantity. Or to inquire about an existing order.
Special Case Shipping Rates
Please note that shipping rates are subject to change at any time. We reserve the right to charge an additional fee in addition to the regularly advertised shipping fee for shipping to remote areas not easily accessible by typical freight carrier means (i.e. islands only accessible by ferry). If your order falls into this category, you will be notified upon receipt of your order, and have the option to complete the purchase with additional fee or to cancel the order. Please note, these instances are very rare, as most locations are reachable by regular freight. If you have any questions, please contact us!
Key Terms & Conditions
Exceptions may apply to islands and other remote territories.
All orders shipped by the carrier of our choice.
Wilkins ZW4004GSS-S | 2-1/2" Fire Control Pressure Reducing Valve
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins ZW4004GSS-S is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable pressure regulation in automatic sprinkler and standpipe systems under both flow and no-flow conditions.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 400 psi
- Connection Type: Grooved AWWA C606
- Supervisory Switch Rating: 3 A @ 125 VAC
- Notable Certifications: UL, C-UL, NYC MEA, California Fire Marshal
Other Related Variants:
- ZW4004GSS-Q: Pressure setting Q
- ZW4004GSS-R: Pressure setting R
- ZW4004GSS-T: Pressure setting T
- ZW4004GSS-U: Pressure setting U
Materials:
- Cast Bronze ASTM B 584
- Buna Nitrile (FDA approved)
- EPDM (FDA approved)
Typical Installation:
The Zurn ZW4004GSS-S Series Pressure Reducing Valve is listed as a floor control valve, an indicating valve, and a check valve in automatic sprinkler systems as well as a standpipe valve for CLASS I and CLASS III systems.
Standards Compliance:
UL Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved; California State Fire Marshal Listed
Features & Benefits:
- Factory Set Precision: Non-field adjustable design ensures consistent pressure regulation under both flow and no-flow conditions.
- Integral Supervisory Switch: Built-in listed supervisory switch with tamper resistant cover provides immediate valve position monitoring.
- Pressure Monitoring Capability: Tapped and plugged inlet and outlet ports allow for easy pressure gauge installation.
- Open/Close Indication: Built-in indicating feature provides visual confirmation of valve position for enhanced system monitoring.
FAQ
Q: What is the difference between the pressure setting variants (Q, R, S, T, U)?
A: Each pressure setting corresponds to a specific factory-set outlet pressure profile optimized for different system requirements. Setting S (this model) provides a 250 psi maximum inlet pressure, while Q, R, T, and U provide 310, 290, 225, and 200 psi respectively.
Q: Can the Wilkins ZW4004GSS-S be adjusted in the field?
A: No, the ZW4004GSS-S is factory set and non-field adjustable to ensure consistent performance and prevent unauthorized tampering in critical fire protection systems.
Q: What is the minimum pressure differential required for proper operation?
A: A minimum of 20 psi pressure differential between inlet static pressure and outlet set static pressure is recommended to ensure a well-regulated and efficient system.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
"Hydrate Everyone, Everywhere!" BottleFillingStations.com | Contact us
Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.
