Watts LFN170 CSUT Manuel d'utilisateur
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Series LFN170
Hot Water Master Tempering Valves
Watts Series LFN170 hot water master tempering valves are
especially designed for use on larger hot water supply systems
for mixing hot and cold water for a variety of applications to
extend the hot water supply. This series uses paraffin-based
thermostat to sense and adjust outlet temperature. The
LFN170s feature Lead Free*
construction to comply with Lead
Free* installation requirements.
Features
• Lead Free*
brass body construction
• ASSE 1017 and IAPMO CUPC Listed
• LFN170-M3 uses paraffin-based thermostat to sense and
adjust outlet temperature
• Dirt and lime resistant poppet and seat design
• Virtual shutoff if supply pressure fails
• Vandal-resistant locking mechanism to secure temperature setting
• Factory tested
Specifications
Maximum Operating Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125psig (861 kPa)
Maximum Hot Water Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 200°F (93°C)
Minimum Hot Water Supply Temperature . . . . . . . . . . . . . . . . . . . . . 5°F (3°C) Above Set Point**
Temperature Adjustment Range*** . . . . . . . . . . . . . . . . . . . . . . . . . . 90 - 180°F (32 - 82°C)
Hot Water Inlet Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . 120 - 180°F (42 - 82°C)
Cold Water Inlet Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . 40 - 80°F (4 - 27°C)
Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ASSE 1017, IAPMO CUPC
Approval Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ASSE 1017, CSA B125.3
* The wetted surface of this product contacted by consumable water contains less than one quarter of one percent (0.25%) of lead by weight.
** With Equal Pressure
*** Low Limit cannot be less than the cold water temperature. For best operation, hot water should be at least 5°F (3°C) above desired set point.
For Commercial Applications
ES-LFN170-M3
Job Name
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Contractor
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Job Location
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Approval
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Engineer
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Contractor’s P.O. No.
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Approval
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Representative
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
LFN170-M3
LFN170-M3 CSUT
Watts Hot Water Master Tempering Valves cannot be used for
tempering water temperature at fixtures. Severe bodily injury (i.e.,
scalding or chilling) and/or death may result depending upon system
water pressure changes and/or supply water temperature changes.
ASSE standard 1016, 1069 or 1070 listed devices such as Watts
Series LFMMV, LFUSG, or LFL111 valves should be used at fixtures
to prevent possible injury.
The Watts Hot Water Tempering Valves are designed to be installed at
or near the boiler or water heater. They are not designed to compensate
for system pressure fluctuations and should not be used where ASSE
standard 1016, 1069 or 1070 devices are required. These Watts valves
should never be used to provide “anti-scald” or “anti-chill” service.
WARNING
!
LEAD FREE
*
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2
Résumé du contenu
Page 1 - LEAD FREE
Series LFN170Hot Water Master Tempering ValvesWatts Series LFN170 hot water master tempering valves are especially designed for use on larger hot wate
Page 2 - Typical Specification
Flow Capacity at 50-50 mixed Less CheckstopsP r e s s u r e D r o p A c r o s s V a l v eModelInlet / Outlet (NPT)Min. Flow to ASSE 1017CV5psi
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