The AM102R-UP-1 is a thermostatic mixing valve from Resideo (Honeywell Home) for hydronic heating service, 1 inch, ProPress connection.
A mixing valve solves a problem that has no other answer: a water heater has to be kept hot enough to suppress bacterial growth in the tank, and that temperature is too hot to deliver to a tap. The valve blends stored hot water with cold on its way out, so the tank stays hot and the fixture does not.
This is a heat-only valve. The R series is built for hydronic heating loops — radiant floor supply temperature, boiler protection, blending on a heating circuit. It is not for potable water service. Fitting a heat-only valve on domestic hot water puts a component outside its rating on the water people drink and bathe in. Check the model before ordering if the application is potable.
Union ProPress ends are pressed rather than soldered, and the unions mean the valve body still comes out without touching the pipe.
Set the outlet temperature with a thermometer at the fixture, not by the dial alone, and re-check it after the system has settled. Inlet conditions move the mix, and a valve set on a cold line reads differently once the loop is up to temperature.
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Brand: Resideo (Honeywell Home)
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Manufacturer Part #: AM102R-UP-1/U
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Type: Heat-only mixing valve (not for potable water)
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Size: 1 in
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Connection: ProPress
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UPC: 085267607148
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Category: Mixing Valves
Full Specifications
| Controlled Media |
Non Potable Water |
| Re-Circulation |
No |
| Color |
Metallic |
| Includes |
Check Valves on Hot and Cold Inlets |
| Product Height |
6.5 in, 165 mm |
| Product Length |
6.7 in, 152 mm |
| Warranty |
1 Year |
| Adjustment Means |
Handwheel |
| Cold Inlet Temperature (Min) |
39 °F, 27 °C |
| Cold Inlet Temperature (Max) |
80 °F, 27 °C |
| Flex Connector Included |
No |
| Flow Coefficient |
3.9 Cv |
| Flow Rate (Min) |
0.50 gpm, 1.9 lpm |
| Flow Rate (Max) |
16 gpm, 60.6 lps |
| Hot Inlet Temperature (Min) |
120 °F, 49 °C |
| Hot Inlet Temperature (Max) |
180 °F, 82 °C |
| Lead Free |
No |
| Media Temperature (Max) |
212 °F, 100 °C |
| Number of Check Valves |
2 |
| Operating Mixing Temperature (Min) |
70 °F, 21 °C |
| Operating Mixing Temperature (Max) |
180 °F, 82 °C |
| Operating Pressure (Max) |
150 psi, 1034 kPa |
| Seal Material |
EPDM Rubber |
| Valve Body Material |
Teflon-coated, Nickel-plated Brass |
| Connection Size |
1 in |
| Connection Type |
Union ProPress |
| Nominal Diameter |
DN25 |
| Number of Connections |
3 |
| Valve Body Pattern |
Straight Through |
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