Thermostatic Cartridge 1-102 for Newport Brass

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Brass cartridge with copper bottom stem stainless screens with black orings.

WHAT OUR CUSTOMERS SAY…

“Outstanding fast delivery on two pieces of an ancient Wolverine bath stem for Kohler - from the early 40s I think. The new one has a different body design, but it screwed directly into the old hot/cold tree and was the exact 6" length. Forty eight hours after installation now, and all remains fine. Also, kudos to the people who set up the website and ordering process. Great work - clear photos and info ! PS: I'm not an employee or family...lol. I retired from electrical wholesaling here outside Chicago and I appreciate a good job. ”

-JM C.

07/31/2026

$288.47

The Newport Brass 1-102 is a 3/4″ thermostatic replacement cartridge assembly designed for use with the Newport Brass model 1-540 thermostatic in-wall valve in tub and shower systems. It is a durable, all-brass component engineered for precise temperature control.

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Restore precise temperature control and eliminate shower leaks with the Newport Brass 1-102 Thermostatic Cartridge Assembly. Engineered for premium durability, this heavy-duty, all-brass replacement cartridge is designed specifically for Newport Brass model 1-540 in-wall thermostatic valves (manufactured after 2002). Whether you are dealing with fluctuating water temperatures or a stubborn drip, this 3/4″ cartridge assembly delivers the seamless, reliable water control your luxury bathroom demands.

1-102

Thermostatic cartridge assembly for a new-style thermostatic valve.
For use with the Newport Brass Model 1-540 thermostatic valve (after 2002 models).
4 1/4″ length