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1" Mix Valve

1" Mix Valve
Product Code: MV1170100
Availability: In Stock
Price: $99.00
   - OR -   

1" Mix Valve

Series 1170-M2 ASSE Listed

Hot Water Temperature Control Valves


Sizes 3/4" - 1"

Ideal for use at the hot water source to maintain and limit temperature in domestic systems.


Series 1170, L1170 Hot Water Temperature Control Valves are specifically designed for mixing hot and cold water on hot water supply systems. They can be used for a variety of applications to reduce the temperature of the hot water from the system, and are ideal for radiant heat applications. This series features a “double throttling” design which combines the control of the hot and cold water to provide a sensitive response to changes in water temperature passing through the mixing chamber.

The 1170-M2 can be set to any temperature between 90°F and 160°F (60°F and 120°F for model L1170-M2) with flow rates as low as 0.5 gpm and as high as 23 gpm (refer to capacity chart on the back). The superior flow characteristics of this valve provide accurate temperature control to the requirements of ASSE 1017* across the rated flow range.

These valves also provide additional safety as they restrict mixed water out to a drip upon loss of cold water supply to the valve.

As an added feature, the 1170-M2 and L1170-M2 incorporate integral check valves and filter washers in both the hot and cold water inlets to protect against cross flow. Available with threaded (-UT), solder (-US), PEX, (-QC) Quick-Connect or CPVC connections.


•             Bronze body construction

•             Solid wax hydraulic principle thermostat assures dependable mixing of hot and cold water

•             Thermostat controls both hot and cold water

•             Models available with solder, thread, PEx, Quick-Connect or CPVC end connections

•             Integral filter washers and check valves

•             Adjustment cap with locking feature

•             ASSE 1017 listed*


A Hot Water Temperature Control Valve shall be installed on water heating equipment to provide tempered water to supply piping.

Valve shall have a bronze body, include integral check valves and operate so the thermostat controls the cold and hot water ports.

The valve shall be provided with solder (-US), threaded (-UT), PEX, (-QC) Quick-Connect or CPVC connections. Valve shall be ASSE

Standard 1017* Listed. Valve shall be a Watts Regulator Company 1170-M2 or L1170-M2.


*ASSE1017 listing is for valves used in hot water source applications.


Manufacture's PDF specification

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