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Replace the hot and cold washers using a TA-9 KIT. Inspect top surfaces of hot seat (T-1) and the cold seat (T-3) and if damaged replace with a TA-4 KIT. Click here for complete repair instructions.
This is a problem that typically arises during the colder (winter) months when the incoming cold-water temperature starts to drop due to the colder ground temperatures. In most cases the hot water to the house being affected is supplied by a tankless (on demand) hot water system. Tankless (on demand) hot water heating systems are capable of producing a fixed amount of hot water per minute based on certain incoming cold-water temperatures. To provide a comfortable shower or tub/shower temperature during the colder winter months a larger amount of hot water is needed to compensate for the lower cold-water temperature being mixed in the valve. Also depending on the area, a tankless water heater must raise the cold-water temperature from 40°F to 120°F in the winter months, whereas in the warmer (summer) months the cold-water temperature might be 65°F. This increase in demand for hot water typically outstrips the ability of the water heater to produce enough hot water resulting in a luke-warm shower or tub temperature. The reason that the bathroom faucet appears to provide adequate hot water is because the faucet contains an aerator that restricts the amount of water that flows between 0.5 gallons and 2.0 gallons per minute. While the Temptrol valve will produce 5 to 7 gallons per minute from the tub spout and 2.5 gallons per minute if equipped with a newer flow-restricted showerhead. You can conduct a test to see if the overall temperature of your hot water decreases during continuous use. First, turn on the hot water in your bathroom faucet and take a temperature reading with a thermometer. Then while leaving the faucet running, open your Temptrol valve to the hottest position. Let both run for five minutes and monitor the temperature in both. You'll notice that the temperatures may start out quite different; this is due to the Temptrol valve always mixing cold with the hot water. But over time, you'll observe that the hot water coming from both outlets will start to decline in temperature due to the condition described above. The only solution we can offer to help with this water heater problem is to supply a reduced flow spindle (TA-10-3HL), which cuts down the flow of water from the valve. This may help with the symptoms of the problem but will not correct the underlying cause of the problem.
The pressure-balancing piston housed in the spindle has become blocked from free movement by foreign matter. Open the valve to the halfway position, remove the handle and firmly tap end of spindle (TA-10) with a plastic or wooden hammer. If the problem is not solved, remove the spindle assembly (TA-10) from valve. Click here for disassembly instructions. After spindle assembly has been removed from valve, tap the handle end against a solid object to free the piston. Soaking the entire piston assembly in household vinegar will also help free the piston. If this does not solve the problem replace with a new TA-10 spindle.
All Symmons pressure-balancing shower valves come equipped with a handle limit stop to set the handle rotation. If you are not having a problem with hot water elsewhere in the house, it is possible that the limit stop feature has been set too low, or the incoming supply temperatures have changed requiring an adjustment of the limit stop. It is not necessary to turn off the water to set or adjust the handle limit stop.
CAUTION: Never remove this screw without turning off the hot and cold water supply.
A small stream of water (about the thickness of a pencil or less) coming from the tub spout while the valve is in the shower position is normal. If the stream of water is more than this the diverter/volume control spindle (TA-25A) should be replaced. Click here for repair instructions.
The spindle o-ring (T-24) is worn and needs to be replaced. Click here for repair instructions.
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*Turn off the water to the valve before proceeding!
**Before removing the handle, open the valve as if you were going to take a normal shower (approximately half a turn).
CAUTION: Failure to open the valve before removing the cap assembly (TA-12A) will result in damage to the cap and spindle.
Removing valve trim
Replacing washers or spindle
All Symmons pressure-balancing shower valves come equipped with a handle limit stop to set the handle rotation. The limit stop is used to limit the valve handle from being turned to excessively hot water discharge temperatures. CAUTION: Never remove this screw without turning off the hot and cold water supplies.
As long as you do not turn the valve on during this repair, it is not necessary to turn off the hot and cold water supplies to the valve before proceeding!
To ensure the long-lasting beauty of your Symmons product, we recommend that you use a mild soap solution and a soft cloth for cleaning. After cleaning, rinse and blot dry with a soft cloth. The use of abrasive or acid cleaners, polishes or solvents may permanently damage the finish and void the warranty.
Find the product type and model number of the product you have. Refer to the Installation and Operation Instructions (.pdf document) associated with the product to view and/or print the parts breakdown to determine the appropriate replacement parts, or call 1-800-SYMMONS (796-6667) or email us at email@example.com for further assistance.
Symmons manufactures every replacement part whether it is for a faucet, an anti-scald, pressure-balancing shower valve or any of our other products, to the same exacting standards that it maintains with the parts that go into its original equipment to ensure that the repair parts will return the product to its original working condition. While many generic parts may appear to be similar to the original Symmons parts, they do not hold to the same exact tolerances that we do. Also the use of parts other than Symmons Genuine Replacement Parts will void our warranty.
Click here for Symmons Lifetime Limited Warranty.
If you are an end user or consumer and want to return a product that has not been installed, take it back to the original place of purchase with your invoice or receipt. If you are a wholesaler or distributor, contact us at 1-800-SYMMONS (796-6667) or email us for the appropriate Return Material Authorization. If the product is not working properly please contact us at 1-800-SYMMONS (796-6667) or email us at firstname.lastname@example.org for assistance.
Symmons Industries, Inc.
31 Brooks Drive
Braintree, MA 02184-3804
Customer Service Help via phone is available:
Monday - Friday 7:30AM to 6:00PM EST
All parts and finishes of the Symmons products are warranted to the original consumer purchaser to be free from manufacturing defects in material and workmanship for 5 years Non-Residential or Commercial Applications. Symmons warrants to the original consumer purchaser/end-user that any Symmons product will be free of defects in material and workmanship during normal domestic use for the life of your home.
Effective June 1, 2016 an IMAP (Internet Minimum Advertised Price) Policy that has been adopted by Symmons Industries will take effect and will replace and supersede all prior IMAP policies ever issued by Symmons.
At Symmons, we’ve built a foundation of quality craftsmanship by placing a premium on exceptional service. It’s an inner strength and outward focus that makes Symmons the smart choice. Built to last, designed to stand out, and backed by a customer-first culture.