How to service a rite temp K-304 shower valve?

Please refer to the following steps below to service your Kohler Rite-Temp K-304 shower valve with the mixer cap GP77759 and pressure balancing unit (PBU) (GP500520) or the mixer cap and PBU kit (GP76851). CAUTION: Before doing any repairs to your Kohler valve, please shut off your water.

Can you use Kohler rite temp for Bath?

Whether a bath/shower or a shower-only application, choose from any of Kohler’s comprehensive range of styles and designs to create the perfect look. For installations where the valve has been roughed-in deeper than standard, there is a universal deep rough-in kit available which works with every KOHLER Rite-Temp trim.

Why is Kohler rite temp used for thin wall installation?

Compact valve design delivers greater flexibility in tight applications, such as a back-to-back installation. The rough-in guide allows for the valve to be used for a thin-wall installation as well. Available with and without stops, which allow the valve to be isolated for service or maintenance.

What should the water temp be in a Kohler shower?

NOTE: The water temperature should never be set above 120 degrees F. Remove the handle and trim from the wall to expose the cap assembly (Fig. 1). Remove the black o-ring, caution tag, and red collar from the round brass stem; older model will have a black collar (Fig. 2).

What do you need to know about Kohler rite temp valves?

The Installation Instructions require the removal of the pressure balancing unit and mixer cap prior to soldering to prevent damage to the internal components of the valve. Kohler Rite-Temp valves feature a mixer cap that is designed for a hot water inlet from the right and cold water from the left.

What kind of PBU does a Kohler shower valve have?

The valve had a PBU with smooth o-rings. The K-2971 has a PBU with notched o-rings. The PBU GP1144925 is interchangeable and used with both the K-306 and K-2971. Black mixer cap has 2 screws located at 3 and 9 o’clock that screw the cap to the brass valve body. The square brass stem rotates clockwise to turn on. Manufactured from 1997-2004.

How to remove brass burrs from rite temp K-304?

Note: If there is any debris or brass burrs, clean it out with a 50/50 white vinegar and water solution. To remove burrs, use a Scotch-Brite pad, taking care not to scratch the sealing surface where the PBU seals seat against the ports of the valve body.

What should the PSI be on a Kohler rite temp valve?

If only cold or hot water is applied, the diaphragm inside of the valve will block the outlet and prevent any water from flowing to the outlet. Kohler Rite-Temp valves require a minimum of 45 PSI on both the hot and cold supplies.

When did Kohler replace the k-305 shower valve?

The K-305 valve was discontinued June 2010 and replaced by the K-11748 valve. Excessive inlet pressure can also contribute to a leak or drip issue. If suspected, turn the pressure by adjusting the stops or installing a pressure reducing valve in the supply system.

Where are the O rings on a Kohler PBU?

Place the small O-rings, (#3 from Fig. 1), on the back of the PBU. The PBU location for the O-rings is oval shaped but the small O-rings are flexible enough to fit into the location (Fig. 4). Place the thick washers, (#1 from Fig. 1), on the front of the PBU (Fig. 4). Install the large O-ring on the back of the grey PBU adapter plate (Fig. 5).

What’s the part number on a Kohler mixer?

Note: If your mixer cap looks like the below image, replace it with part number GP77759 (Fig. 7). (Fig. 7) Check if the inside of the brass valve body is clean without any debris or burrs.

What should I do if my Kohler valve is not working?

CAUTION: Before doing any repairs to your Kohler valve, please shut off your water. Remove the two screws as shown in (Fig. 1) and remove the collar (sometimes it may not be present) (Fig. 2).

How to install metal collar on Rite-temp K-304?

Place the metal collar over the mixer cap and tighten the screws on the left and right. Note: Do not install the metal collar before the black cap assembly. (Fig. 20a, 21a, and 22) show incorrect installation for the current collar design. (Fig. 20b and 21b) show incorrect installation for the older collar design.

What kind of shower valve does Kohler use?

Cartridge features square metal stem. Cartridge held in place by a bonnet. Sculpted acrylic handle lifts up, then rotates left to right to adjust temperature. Came as a pressure balanced and non-pressure balanced option. Valve cartridge GP30413 may resolve leaking from the showerhead or spout.

Where is the mixer Cap on a Kohler shower valve?

Another resource to help you identify your bath/shower valve is this interactive flow chart that will guide you through the identification process. Black mixer cap has 2 screws located at 3 and 9 o’clock that screw the cap to the brass valve body. Features a red or black temperature limit stop attached to stem of the mixer cap.

Where is the temperature limit stop on a Kohler shower?

Features an orange temperature limit stop attached to stem of the mixer cap. The brass, round, splined stem rotates clockwise to turn on. Cartridge (GP800881) may resolve leaking from showerhead/spout or temperature issues. K-8304-K-NA Service Parts information.

What’s the difference between K-304 and k-p304 valves?

I am happy to assist you with your question. K-304 is a single valve while K-P304 is a twelve pack of K-304 valves. Thank you for choosing Kohler.

What to do if your shower mixer is leaking?

Leaking and dripping in your shower can be easily fixed by following these step-by-step instructions to replace the mixer cap and pressure balancing unit (PBU) on your shower valve. This video also shows how to set the maximum water temperature in your shower to prevent scalding and thermal shock.

What do I need to install a Kohler shower?

Use 1/2″ NPT threaded adapters or solder 1/2″ copper directly to the outlet. Install 1/2″ piping and elbows to the showerhead and bath spout outlets. Use sealant tape on all threaded connections. Secure the piping to the framing. Connect the water supplies using 1/2” copper, CPVC, or PEX components.

I am happy to assist you with your question. K-304 is a single valve while K-P304 is a twelve pack of K-304 valves. Thank you for choosing Kohler.

Is the k-t15611 shower trim compatible with Kohler rite temp?

Yes, the K-T15611 shower trim is compatible with this Rite-Temp shower valve. Thank you for choosing KOHLER. is the newer k-8304-k interchangeable with the older k-304-k?

CAUTION: Before doing any repairs to your Kohler valve, please shut off your water. Remove the two screws as shown in (Fig. 1) and remove the collar (sometimes it may not be present) (Fig. 2).

What’s the difference between K-304 and k-p304?

K-304 is a single valve while K-P304 is a twelve pack of K-304 valves. Thank you for choosing Kohler. Hi we have an older shower handle. The box says T15611-4-cp. Will this valve work with this? Hi Molly, this is Sarah with Kohler Customer Service. Yes, the K-T15611 shower trim is compatible with this Rite-Temp shower valve.

How to contact Kohler rite temp pressure balancing valve?

Please contact our Customer Care Center at 1-800-4KOHLER (1-800-456-4537). Thank you for choosing KOHLER. My contractor just installed this valve and we are having issues with the water pressure. When t…

What’s the temperature of a rite temp mixing valve?

Mixing valve cycles from “cold” to “hot”. Rite-Temp® pressure-balancing diaphragm design valve. Rite-Temp® pressure-balancing technology maintains water temperature within +/-3 degrees Fahrenheit. Provides anti-scald protection and temperature regulation.

What kind of valve does Kohler rite temp use?

For installations where the valve has been roughed-in deeper than standard, there is a universal deep rough-in kit available which works with every KOHLER Rite-Temp trim. With the launch of the new Rite-Temp universal valve system, the existing K-304 valve trim will be replaced by new Rite-Temp trim options.

Yes, the K-T15611 shower trim is compatible with this Rite-Temp shower valve. Thank you for choosing KOHLER. is the newer k-8304-k interchangeable with the older k-304-k?

Is the K-304 valve the new rite temp?

With the launch of the new Rite-Temp universal valve system, the existing K-304 valve trim will be replaced by new Rite-Temp trim options. The new TS, TLS, PS, and PLS trim will include adapters for installation with the current K-304/K-2971 Rite-Temp valve as well as the next-generation Rite-Temp valve.