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Watts LFMMV-HTK Hot Water Tank Capacity Extender
Item Number: 0559178
Manufacturer Name: Watts
Manufacturer Part No: LFMMV-HTK
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BrochureInstallation ManualSpec. Sheet
Description:
LFMMV-HTK hot water tank capacity extender increases hot water capacity by as much as 133%, depending on storage and hot water flow. It maintains and limits mixed hot water to a desired, selectable temperature and allows the hot water tank to be set at a higher temperature to minimize the occurrence of Legionella and other water-borne bacteria. The LFMMV-HTK can be set to any temperature between 80° and 120° with the flow rate as low as 0.5 gpm and as high as 13 gpm. The thermostatic valve is listed to ASSE 1070, ASSE 1017 and IAPMO cUPC.
Specification:
- Temperature Adjustment 80 - 120°F (27 - 49°C)
- Approach Temperature 5°F (3°C) above set point
- Maximum Operating Pressure 125psi (861 kPa)
- Maximum Hot Water Temperature 200°F (93°C)
- Cold Water Temperature Range 39 - 80°F (5 - 27°C)
- Maximum Pressure Differential Between Hot and Cold Supplies 25%
- Minimum Flow 0.5 gpm (1.90 lpm) when tested in accordance with ASSE 1017 & ASSE 1070
- Flow at 45psi pressure drop 13 gpm (49 lpm)
- Listing (valve only) ASSE 1017, ASSE 1070, IAPMO cUPC and NSF372
*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight. +Thermostatic valve only
Features:
- Increases hot water capacity from the hot water tank by as much as 133% depending on storage and incoming cold water temperature
- Allows hot water tank to be set at higher temperature to minimize the occurrence of Legionella and other water-borne bacteria
- Valve and key components conveniently packaged in one box
- Temperature control to ASSE 1017 and ASSE 1070 down to 0.5gpm
- Adjustable temperature selection with lock down
- Advance thermal actuator for precise control
- Integral checks and screens prevent cross-flow and contamination
- Includes thermostatic valve, corrugated stainless steel connector, tee and elbow
The Series LFMMV-HTK mixing valve kit installs on a hot water tank to increase hot water capacity by providing greater control over water temperature and flow. The valve:
- Allows water to be stored at higher temperatures
- Regulates the amount of hot water supplied to the valve to precisely maintain outlet set-point temperature
- Avoids the need to replace a hot water tank with a larger-capacity unit
- Extends water heater capacity by as much as 133% depending on storage and incoming cold water temperature
- Limits and maintains mixed outlet temperature via lockable function
- Helps reduce water-temperaturerelated risks, such as Legionella and scalding Valve listed to ASSE 1017, ASSE 1070, & IAPMO cUPC Lead Free* valve construction
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