Watts Regulators series 1450F dual controls regulator and relief Valve 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, an attached iron body, diaphragm relief valve, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. Series 1450F has high capacity performance and simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems.

• Combination fill valve and safety pressure relief valve
• Tight seating check valve
• Purge lever for manual purging
• High capacity
• Stainless steel strainer to protect the valve disc from fouling
• 15 psi set and 30 psi relief valve setting

Sid Harvey Item #:B144-1A: Replaces Part #:'s : B138-1 | B138-1R | B143-12,
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Watts Regulators series 1450F dual controls regulator and relief Valve 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, an attached iron body, diaphragm relief valve, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. Series 1450F has high capacity performance and simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems.

• Combination fill valve and safety pressure relief valve
• Tight seating check valve
• Purge lever for manual purging
• High capacity
• Stainless steel strainer to protect the valve disc from fouling
• 100 psi working , 15 psi set and 30 psi relief valve setting

Sid Harvey Item #:B144-2: Replaces Part #:'s : R54-740,
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Dual Float and Switch Assembly 15 psi

• 1-piece unit that facilitates installation and ensures the most up-to-date construction
• Complete float and dual switch assembly

Sid Harvey Item #:B121-1: Replaces Part #:'s : 2K416,
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Watts Water 0067461 Elbow 3/4" FIP x Male Union 15 psi Bronze,
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Series PLT potable water expansion tanks are designed to absorb the increased volume of water created by thermal expansion and to maintain balanced pressure throughout the potable water supply system. Series PLT tanks feature a pre-pressurized steel tank with an expansion membrane that prevents contact of the water with the air in the tank. This prevents loss of air to the water and ensures long and trouble-free life for the system. These tanks may be used with all types of Direct Fired Hot Water Heaters (gas, oil or electric) and hot water storage tanks.

• Heated water expands, and in a domestic hot water system, the system may be closed when the potable water system is isolated from the public water supply by a one-way valve such as pressure reducing valve, backflow preventer or check valve
• Rugged flexible butyl diaphragm
• Field adjustable pre-charge
• Can be used with most standard hot water heaters and storage tanks
• It shall have a Butyl diaphragm separating the air chamber from the water containing chamber
• Stainless steel inlet connection
• The potable water expansion tank shall be of drawn steel construction
• Materials of manufacture for the diaphragm shall be FDA approved

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Series PLT potable water expansion tanks are designed to absorb the increased volume of water created by thermal expansion and to maintain balanced pressure throughout the potable water supply system. Series PLT tanks feature a pre-pressurized steel tank with an expansion membrane that prevents contact of the water with the air in the tank. This prevents loss of air to the water and ensures long and trouble-free life for the system. These tanks may be used with all types of Direct Fired Hot Water Heaters (gas, oil or electric) and hot water storage tanks.

• Heated water expands, and in a domestic hot water system, the system may be closed when the potable water system is isolated from the public water supply by a one-way valve such as pressure reducing valve, backflow preventer or check valve
• Rugged flexible butyl diaphragm
• Field adjustable pre-charge
• Can be used with most standard hot water heaters and storage tanks
• It shall have a Butyl diaphragm separating the air chamber from the water containing chamber
• Stainless steel inlet connection
• The potable water expansion tank shall be of drawn steel construction
• Materials of manufacture for the diaphragm shall be FDA approved

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Watts Water 0235097 Hydronic Boiler Hydronic Package for Boiler Installations, 1-1/4" IPS

• Boiler fill fitting
• Micro-bubble air separator
• Simplifies boiler installation and servicing
• System purge valve

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Watts Water B911 Bronze Combination Fill Valve Feeder and Backflow Preventer, 1/2" Threaded

• Pre-assembled for ease of installation
• Easy service accessibility
• High capacity fill valve for quick system filling and purging
• All bronze body construction union NPT 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

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Watts 0545007 Brass Gas Ball Valve 1",
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Watts Water 1102033 Union Gasket for S1156F Water Pressure Regulator

Watts Regulator GBV34 Gas Shut Off Valve 3/4" FPT

Watts Water GBV34

Watts Regulator 0121686 Gauge Temperature & Pressure 0-70 psi