Watts LFN36 User Manual
Series lfn36, Installation instructions for water service, For low pressure steam service
IS-N36-M1
Series LFN36
Installation Instructions for Water Service
Install No. LFN36 in cold water supply line with or above the highest point in the tank.
No. LFN36-M1 must be installed vertically in an upright position as shown. No valve
is to be placed between the relief valve and the tank. Illustrations show typical and
correct positions. Valve opens on vacuum of not over
1
⁄
2
" mercury column. Maxi-
mum working pressure: 200psi (13.8 bar). (Maximum steam working pressure:
15psi or 103 kPa.) Maximum temperature: 250°F (121°C).
WARNING
!
Not Suitable for Crossconnection Control.
Table Top Heaters
Watts
No. LFN36
Cold
T&P Relief
Valve
Domestic Hot Water Supply Tanks
and Heaters with Top Supply
Watts No. LFN36
Tank
Hot
Cold
T&P Relief
Valve
Domestic Hot Water Supply Tanks and
Heaters with Bottom Feed
Watts No. LFN36
Tank
T&P Relief
Valve
Hot
Cold
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can
result in death, serious personal injury, property damage, or
damage to the equipment.
Keep this Manual for future reference.
WARNING: This product contains chemicals known
to the State of California to cause cancer and birth
defects or other reproductive harm.
For more information: www.watts.com/prop65
For Low Pressure
Steam Service
Note: When used for Steam Service,
BE SURE to use pigtail to prevent live
steam from damaging No. LFN36-M1.
Maximum Steam Pressure:
15psi (103.4 kPa).
Maximum Temperature:
250°F (121°C).