Zurn RK7300-CART-3P | Temp-Gard® III Pressure Balancing Cartridge
Zurn RK7300-CART-3P | Temp-Gard® III Pressure Balancing Cartridge is backordered and will ship as soon as it is back in stock.
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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.
The Zurn RK7300-CART-3P is a genuine replacement pressure balancing cartridge for Temp-Gard® III shower valves, ensuring safe, consistent water temperature.
Key Specifications:
- Type: Pressure balancing cartridge
- Compatibility: Temp-Gard® III valves
- Application: Commercial shower systems
- Part Type: Genuine Zurn replacement
Features & Benefits:
- Temperature Stability: Maintains consistent water temperature despite hot/cold pressure fluctuations.
- Safety Focused: Protects users from sudden scalding or cold water surges in commercial showers.
- Retrofit Ready: Repairs existing shower valves without requiring full unit replacement.
- Durable Construction: Built for long-term reliability in demanding commercial environments.
FAQ
Q: What valve is the RK7300-CART-3P compatible with?
A: The RK7300-CART-3P is designed specifically for use with Zurn Temp-Gard® III pressure-balancing shower valve systems.
Q: Can this cartridge be installed without replacing the entire valve?
A: Yes, the Zurn RK7300-CART-3P is a retrofit replacement cartridge, allowing repair of the shower valve without full unit replacement.
Q: Is this a genuine Zurn replacement part?
A: Yes, the RK7300-CART-3P is an authentic Zurn replacement part, ensuring proper fit, performance, and long-term durability.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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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.


