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We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days from delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Restore steadier water flow and more reliable temperature adjustment with the GP876851 Mixer Cap paired with the GP500520 Pressure Balancing Unit. This replacement kit is tailored for Kohler shower valves on K-304 and K-11748 platforms, offering a cohesive solution for a refreshed shower experience.
Built for practical, do-it-yourself maintenance, the GP876851 kit aims to streamline replacement while keeping the process straightforward. The package includes the mixer cap, a pressure balancing unit, and additional items to support installation.
In daily routines, you may notice a smoother transition between hot and cold water with less drift when the shower is in use. Balanced pressure helps maintain a consistent spray and feel, reducing the impact of changing water demand on temperature stability.
Installation notes: Clean internal impurities with the included sandpaper, replace the O-ring, ensure the O-ring sits flat in the groove, Do not rotate the cartridge, and tighten the assembly screws to secure the cap and cartridge. Proper alignment helps prevent leaks and supports a reliable seal.
Q: What valves is this kit compatible with?
A: Designed for Kohler shower valves on K-304 and K-11748 platforms.
Q: What’s included and how do I install?
A: Includes GP77759 mixer cap and GP500520 balancing unit; follow steps: clean impurities, replace O-ring, avoid rotating cartridge, tighten screws.
We offer free shipping on all products across Canada. Orders are typically prepared within 1–2 business days. After dispatch, delivery usually takes 3–5 business days. For remote or hard-to-reach areas, delivery may take 5–7 business days.
We may ship with Asendia, UniUni, Purolator, FedEx, or Canada Post depending on your address, package size, and the item’s handling requirements. P.O. Boxes are accepted where the selected carrier supports them.
We accept returns on most items within 30 days of delivery. Items must be returned in the condition you received them (new, unused, and with original packaging where applicable). If you receive the wrong or defective item, we’ll make it right.
To start a return, please email us at handyskook@gmail.com with your order number and a brief description of the issue. We’ll reply within 1 business day with the next steps.
Once your return is received and inspected, we’ll process your refund to the original payment method. Processing times can vary by payment provider, but most refunds are completed within 5–10 business days after approval.
When your order ships, you’ll receive a confirmation email with tracking details (when available). If you need help locating your tracking information, contact us at handyskook@gmail.com.
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