Instructions / Assembly
ES-1156F
B1156F
1156F-A
Series 1156F
Feed Water Pressure Regulators
Size:
1
⁄2"
Series 1156F feed water pressure regulators are designed
to fill the boiler and system piping with water and to maintain
water pressure in the system at all times. These valves also
provide make up water to the system in the event of system
leaks. Series 1156F features a high capacity performance as
well as unique simplified servicing accessibility for complete
unitized maintenance.
Features
• Choice of inlet connections (threaded, union solder
or union threaded)
•Tight seating check valve
•Purge lever for manual purging
•High capacity
•Stainless steel strainer to protect the valve disc from fouling
Specifications
A feed water pressure regulator shall be installed on the boiler
or where indicated on the plans to fill boiler piping with water
and to provide make up water in the event of system leaks. The
regulator shall have high capacity performance and a simplified
servicing design. The feed water pressure regulator shall be a
Watts Series 1156F.
Models
1156F Threaded inlet connection
1156F-A Threaded inlet connection and ½" NPT
female bottom connection for installation
of an expansion tank
S1156F Union solder inlet connection
T1156F Union threaded inlet connection
B1156F Bronze valve body with threaded inlet
connection
TB1156F Bronze valve body with union threaded
inlet connection
SB1156F Bronze valve body with union solder inlet
connection
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.
NOTICE
Inquire with governing authorities for local installation requirements
The information contained herein is not intended to replace the
full product installation and safety information available or the
experience of a trained product installer. You are required to
thoroughly read all installation instructions and product safety
information before beginning the installation of this product.
NOTICE
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