Air Gaps for Reduced Pressure Zone Assemblies provide an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. The installation of an air gap and drain line are recommended on reduced pressure zone assemblies. Air Gaps can be installed vertically or horizontally.

Watts Water ASM1-1 Air Scoop 1" FPT

Watts Water ASM1-1

The HAV valve utilizes moisture retaining discs within the body which vary in volume when they change from a wet to a dry condition. As the discs dry, they allow air to escape from the system and when wet, provide a positive shut-off.

• Automatic or manual operation
• Quick venting design
• Positive shut-off ball check
• Heat resistant hand wheel
• Simple two piece construction
• Non adjustable
• Straight mount
• Straight body style

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Watts Water ASM1-1-1/4 Are Scoop 1-1/4"

Watts Water FV-4M1 Series FV-4 Automatic Vent Valves are used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with male NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug, and automatic vent. Series FV-4M1 has a high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. Can be disassembled for inspection and cleaning.
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Watts Water FV-4M1

Watts Regulators series 40L, 40xL automatic reseating temperature and pressure relief valves are used in commercial water heater applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters. They feature a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, tamper-resistant bonnet screws, automatic reseating feature, and test lever. Model 40L has a short thermostat for installation directly in available tank tapings. Model 40xL has an extension thermostat for installation in the hot water outlet within the allowable distance from the top of the tank. Series 40L, 40xL valves are ASME rated and CSA listed.

• The combined 2-in-1 temperature and pressure relief valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions
• Fully automatic temperature and pressure relief protection for domestic hot water supply tanks and heaters
• Includes test lever and extension thermostat for installation in hot water outlet within the allowable distance from the top of the tank
• Non-mechanical seat-to-disc alignment
• Thermostat is accurate and proven and exclusively designed and manufactured by watts
• Tamper-resistant bonnet screws

Sid Harvey Item #:40xL-1-150: Replaces Part #:'s : 24592,
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Watts Regulaot series 40L, 40xL automatic reseating temperature and pressure relief valves are used in commercial water heater applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters. They feature a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, tamper-resistant bonnet screws, automatic reseating feature, and test lever. Model 40L has a short thermostat for installation directly in available tank tapings. Model 40xL has an extension thermostat for installation in the hot water outlet within the allowable distance from the top of the tank. Series 40L, 40xL valves are ASME rated and CSA listed.

• The combined 2-in-1 temperature and pressure relief valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions
• Fully automatic temperature and pressure relief protection for domestic hot water supply tanks and heaters
• Includes test lever and extension thermostat for installation in hot water outlet within the allowable distance from the top of the tank
• Non-mechanical seat-to-disc alignment
• Thermostat is accurate and proven and exclusively designed and manufactured by Watts
• Tamper-resistant bonnet screws

Sid Harvey Item #:B147-103: Replaces Part #:'s : 24590,

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Watts Water B147-103

Watts regulators series 009 reduced pressure zone assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of bronze body construction 1/4 - 2" or FDA approved epoxy coated cast iron 2-1/2 - 3", 2 in-line independent check valves, replaceable check seats with an intermediate relief valve, and ball valve test cocks. Series 009 is ideal for protection of health hazard cross-connections or for containment at the service line entrance.

• Single access cover and modular check construction for ease of maintenance
• Top entry - all internals immediately accessible
• Captured springs for safe maintenance
• Internal relief valve for reduced installation clearances
• Replaceable seats for economical repair
• Bronze body construction for durability
• Ball valve test cocks - screwdriver slotted
• Large body passages provides low pressure drop
• Compact, space saving design
• No special tools required for servicing
• 1/4-turn ball valve

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Watts regulators series 009 reduced pressure zone assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of bronze body construction 1/4 - 2" or FDA approved epoxy coated cast iron 2-1/2 - 3", 2 in-line independent check valves, replaceable check seats with an intermediate relief valve, and ball valve test cocks. Series 009 is ideal for protection of health hazard cross-connections or for containment at the service line entrance.

• Single access cover and modular check construction for ease of maintenance
• Top entry - all internals immediately accessible
• Captured springs for safe maintenance
• Internal relief valve for reduced installation clearances
• Replaceable seats for economical repair
• Bronze body construction for durability
• Ball valve test cocks - screwdriver slotted
• Large body passages provides low pressure drop
• Compact, space saving design
• No special tools required for servicing
• 1/4-turn ball valve

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Watts Boasts a full line of top-quality ball valves for commercial, residential, and industrial applications, the Watts ball valve product line includes brass, bronze, carbon steel, cast iron, and stainless steel models. If you have a custom project on your hands, we have electric motorized valves to suit your needs. Our portfolio covers a wide span of connection types to  t applications within the Residential, Industrial, and Commercial markets, and thats not all, Watts offers various product accessories and material options such as handle kits or stainless steel ball and stem trims to ful ll a wide range installation requirements.
As of January 4, 2014 Lead Free* ball valves are required in certain applications and/or settings in the United States. Thats why the Watts line includes top quality, fully-tested Lead Free ball valves.

Watts Boasts a full line of top-quality ball valves for commercial, residential, and industrial applications, the Watts ball valve product line includes brass, bronze, carbon steel, cast iron, and stainless steel models. If you have a custom project on your hands, we have electric motorized valves to suit your needs. Our portfolio covers a wide span of connection types to  t applications within the Residential, Industrial, and Commercial markets, and thats not all, Watts offers various product accessories and material options such as handle kits or stainless steel ball and stem trims to ful ll a wide range installation requirements.
As of January 4, 2014 Lead Free* ball valves are required in certain applications and/or settings in the United States. Thats why the Watts line includes top quality, fully-tested Lead Free ball valves.

Watts FBVS-3C Forged Brass 2-Piece Full Port Ball Valve, 1/2", Solder Sweat

• Bottom-loaded blowout proof stem, virgin PTFE seats, thrust washer, and adjustable stem packing gland, stem packing nut, chrome plated brass ball, brass adapter, and steel handle
• Fluorocarbon elastomer stem o-ring prevents stem leaks
• Adjustable stem packing gland
• Zinc plated carbon steel handle nut
• Brass packing nut
• Cardboard, mylar coated both sides tag
• Forged lead free copper silicon alloy brass adapter

Sid Harvey Item #:488-16: Replaces Part #:'s : 4329