After changing this unit the hot started coming from the right side and cold from the left side, what did I do wrong?

Yes, you need to rotate both pressure unit & valve 180*.

How do you service this?

There is no servicing required it is to replace a faulty unit. The assembly is secured by a brass retainer ring with three screws.

Will this solve my problem of not getting the desired water mix (hot and cold) ? Water either comes out as hot or cold, and nothing in between.

Amazon Customer, the pressure balance unit does control the balance of hot and cold water and should take care of the problem. The model number of your faucet will determine which PBU is required. If assistance is required in determining this please contact us directly through the American Standard website "Contact Us" located at the bottom of our home page so we can assist you. Sincerely, your American Standard Consumer Connections Team.

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M952100-0070A Pressure Balancing Unit | Pressure Balancing Unit: Genuine American Standard Single-Control Tub/Shower Valve Replacement Part M952100-0070A

Product ID: 5701960

Details

Brand
American
Exterior Finish
No Finish
Global Trade Identification Number
Inlet Connection Type
Connector
Material
Plastic Rubber
Number of Packs
1

💧Hard water resistant

🔧Fits multiple valve models

🌡️Consistent temp control

$38.51

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚿 Elevate your shower game with flawless temperature control!

TRUSTED RELIABILITY - Backed by a 1-year limited warranty, designed for both DIYers and professional plumbers.
STABLE SHOWER COMFORT - Eliminates sudden temperature spikes for a safer, more enjoyable shower every time.
EFFORTLESS COMPATIBILITY - Seamlessly replaces American Standard R110, R115, R120, and R125 valves—no guesswork needed.
ADVANCED PRESSURE BALANCE - Diaphragm system with check valves ensures steady water flow despite pressure fluctuations.
BUILT TO LAST IN TOUGH CONDITIONS - Rust-proof, scale-resistant plastic construction engineered for hard water environments.

The American Standard M952100-0070A Pressure Balancing Unit guarantees consistent water temperature by balancing hot and cold water pressure, preventing sudden spikes. Compatible with multiple American Standard rough-in valves, it features a durable, rust-proof design ideal for hard water areas. Its advanced diaphragm system ensures steady water flow, backed by a 1-year limited warranty for dependable performance.

Specifications

ASIN	B000I7QY3M
Best Sellers Rank	#30,023 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Faucet Valves
Brand Name	American Standard
Connector Type	Connector
Customer Reviews	4.8 4.8 out of 5 stars (1,677)
Exterior Finish	No Finish
Global Trade Identification Number	00012611249082
Included Components	Pressure Balance for Single-Control Tub/Shower Valve
Inlet Connection Type	Connector
Item Type Name	Pressure Balance for Single-Control Tub/Shower Valve
Item Weight	0.16 Pounds
Manufacturer	American Standard
Manufacturer Part Number	M952100-0070A
Manufacturer Warranty Description	“*1 year Limited warranty from date of purchase”
Material Type	Plastic, Rubber
Model Number	M952100-0070A
Number of Ports	2
Outlet Connection Size	0.5 Inches
Outlet Connection Type	Connector
Size	1/2 inch
Specification Met	ASME, ANSI, CSA, ULC, NSF, IAPMO, WaterSense, ISO 9001, ASSE
Thread Size	1/2 inch
Thread Type	1/2" NPT
UPC	012611249082
Unit Count	1.0 Count
Valve Type	Pressure Balance Valve

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