Save big with deals before Black Friday. Shop Early Black Friday Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Cash Acme 3/4-in ID PEX-A x 3/4-in OD PEX-A Brass Thermostatic mixing valve

Safer hot water from all outlets
Allows the water heater to be set at 140 degrees F (60 degrees C) or higher
Every valve is tested for performance prior to shipping

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Pay Your Way

Credit card, PayPal or Buy Now, Pay Later options available at checkout. Your choice.

The Heatguard 110-D is a temperature actuated mixing valve that mixes hot water with cold to deliver tempered water at a controlled temperature to 120°F (49°C) maximum. The Heatguard 110-D is designed to assist in the prevention of scalding.

Safer hot water from all outlets
Allows the water heater to be set at 140 degrees F (60 degrees C) or higher
Every valve is tested for performance prior to shipping
Adjustable and lockable mechanism
Greater effective hot water volume yields less chance of Legionella within the cylinder
Superior reliability,improved user safety