Watts Regulators series 1156F high capacity feed water pressure regulators are for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of an iron and bronze body construction with NPT threaded inlet and outlet connections, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. Series 1156F has high capacity performance and simplified servicing design.

• Tight seating check valve
• Purge lever for manual purging
• High capacity performance as well as unique simplified servicing accessibility for complete unitized maintenance
• Stainless steel strainer to protect the valve disc from fouling
• Designed to fill the boiler and system piping with water and to maintain water pressure in the system at all times
• Provide make up water to the system in the event of system leaks
• 15 psi factory set, 100 psi maximum working pressure

Sid Harvey Item #:SB1156F: Replaces Part #:'s : R55-794,
,

Watts Water SB1156F

Watts M330M1 Bronze Pressure Relief Valve, 3/4", MNPT x FNPT, 30 psi

• Stainless steel spring, high heat resisting silicone disc

,

Watts Water M330-M1-030

Watts RA-1-AP Bronze Radiator Angle Valve, 1-1/2", Threaded x Male Union

• Rising stem
• Renewable composition disc
• Bronze bonnet, brass stem, retainer, swivel, disc nut and packing nut, teflon stem packing, rubber NBR disc, plastic hand wheel, steel screw, aluminum name plate

Sid Harvey Item #:RA-1-AP-1 1/2: Replaces Part #:'s : 4282,
,

Watts RA-1-AP Bronze Radiator Angle Valve, 1-1/4", FIP x Male Union

• Rising stem
• Renewable composition disc
• Bronze bonnet, brass stem, retainer, disc nut and packing nut, teflon stem packing, rubber NBR disc, plastic hand wheel

,
,

Watts Water RA-1-114

Watts RA-1-AP Bronze Radiator Angle Valve, 1/2", Threaded x Male Union

• Rising stem
• Renewable composition disc
• Bronze bonnet, brass stem, retainer, swivel, disc nut and packing nut, teflon stem packing, rubber NBR disc, plastic hand wheel, steel screw, aluminum name plate

Sid Harvey Item #:RA-2-AP-1/2: Replaces Part #:'s : 4284,
,

Watts RA-1-AP Bronze Radiator Angle Valve, 1", FIP x Male Union

• Rising stem
• Renewable composition disc
• Bronze bonnet, brass stem, retainer, disc nut and packing nut, teflon stem packing, rubber NBR disc, plastic hand wheel

,
,

Watts RA-1-AP Bronze Radiator Angle Valve, 3/4", FIP x Male Union

• Rising stem
• Renewable composition disc
• Bronze bonnet, brass stem, retainer, disc nut and packing nut, teflon stem packing, rubber NBR disc, plastic hand wheel

,
,

Watts Water RA-1-SW-3/4 Bronze Radiator Gate Straight Valve 3/4" Threaded x Male Union,
,

Watts Water BD911S Bronze Combination Fill Valve Feeder and Backflow Preventer, 1/2" NPT

• Pre-assembled for ease of installation
• Push butTon fast fill with auto-stop to prevent system over-pressurization
• Dial indicator eliminates need for pressure gauge
• High capacity fill valve for quick system filling and purging
• All bronze body construction union solder x NPT connections
• Dial indicator plus or minus 2 psi
• Series BD911 combination fill valve and backflow preventer consists of a model 9D backflow preventer and model BD1156F feed water pressure regulator in one pre-assembled unit
• Combination bronze dial set fill valve

,
,

Watts Water B911S Bronze Combination Fill Valve Feeder and Backflow Preventer, 1/2" Sweat

• Pre-assembled for ease of installation
• Easy service accessibility
• High capacity fill valve for quick system filling and purging
• All bronze body construction union solder x NPT connections
• Installed on the boiler feed line to provide make-up water to the boiler
• The valve shall contain a watts regulator model 9D backflow preventer and model 1156 feed water pressure regulator

Sid Harvey Item #:B911S: Replaces Part #:'s : 2K412,
,

Watts Water B911S

BackStop Hydronic ExpansionTanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150 PSI and equipped with a carbon steel connection. High-grade, deep drawn steel is used for improved strength to weight ratio. Larger models feature a rugged, stable, base.

Watts Water 0881401 Dielectric Gasket 3/4" 3001A,
,