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Brand Name
Type
Inlet Size
Outlet Size
Pressure Setting
Caleffi 573403A Dual Check Backflow Preventer W/Atmospheric Vent 1/2" NPT
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing Protects potable water systems from backflow of contaminated fluids
Technical data
Maximum operating pressure: 175 psi
Medium temperature range: 32 210 °F
Material: DZR low lead brass
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing Protects potable water systems from backflow of contaminated fluids
Technical data
Caleffi 573403A
Item#:
573403A
Manufacturer Item:
573403A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
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.
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- 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 590712
Features
Seat located above drain so that water is never trapped and
sediment never fouls the seat
Nonmechanical seat-to-disc alignment that does not stick
or freeze
Water seal of high temperature resisting material to isolate
spring working
parts from water during relief*
Nonmetallic disc-to-metal seating
Available in diameters from 34" to 2"
Optional SentryPlus Alert discharge line flood sensor which
when paired with a connection kit (sold separately) can detect
excessive water discharges from the relief valve (Refer to
ES-FS-ReliefValve.)
Watts Water 740-030-FS-3/4
Item#:
740-030-FS-3/4
Manufacturer Item:
F382008
Manufacturer:
WATTS REGULATOR CO
VentRite 75VT Brass Non-Adjustable Air Valve, 3/4 x 1/2", Male x Female
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- All vents are factory assembled, tested and inspected in the USA
- Each vent is individually packed with External labeling for convenience and maintenance
- Our vents have all brass internals with nickel plated and hand polished exterior
- Every Vent-Rite vent is factory assembled, tested and inspected in the USA
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Vent-Rite Corporation 75VT
Item#:
75VT
Manufacturer Item:
75VT
Manufacturer:
FLEXCON INDUSTRIES
VentRite 77VT Brass Non-Adjustable Air Valve, 3/4 x 1/2", Male x Female
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- All vents are factory assembled, tested and inspected in the USA
- Each vent is individually packed with External labeling for convenience and maintenance
- Our vents have all brass internals with nickel plated and hand polished exterior
- Every Vent-Rite vent is factory assembled, tested and inspected in the USA
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Vent-Rite Corporation 77VT
Item#:
77VT
Manufacturer Item:
77VT
Manufacturer:
VENT-RITE
Webstone Valve 75003 Air Separator 3/4" Sweat
Webstone Valve 75003
Watts 9DM3-S Forged Brass Dual Check Backflow Preventer with Intermediate Atmospheric Vent, 1/2", Female Union
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- It prevent the reverse flow of hot or cold polluted water from entering into the potable water supply
- It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves
- For continuous pressure, non-health hazard applications in smaller supply lines
- It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing
- A secondary check valve utilizes a rubber disc-to-metal seating
- In the event of fouling of the downstream check valve, leakage would be vented to atmosphere through the vent port thereby safeguarding the potable water system
- True line-sized construction allows the check modules to open further allowing dirt and debris to pass more freely reducing check fouling
- Maximum flow at low pressure drop
- Furnished with union connections to facilitate removal and replacement for maintenance
- Compact for economy combined with performance
- Design simplicity for easy maintenance
- Can be installed vertically or horizontally
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Watts Water 9DM3SW1/2
Item#:
9DM3SW1/2
Manufacturer Item:
9DM3SW12
Manufacturer:
WATTS REGULATOR CO
Heat-Timer Corporation 925006-00 Heat-Timer Corporation
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Heat-Timer Corporation 925006-00
Heat-Timer Corporation Varivalve 925005-00 Chrome-Plated Brass Angle Radiator Quick Vent Valve, 1/8", Male
- Exclusive fingertip adjustment
- Large variable orifice
- Phosphor bronze bellows
- High temperature"o" ring seal
- Seat and poppet at inlet to valve
Heat-Timer Corporation 925005-00
Resideo Braukmann AM-1 series accurately adjusts, maintains and limits the hot water temperature to a desired setting selected by the user. By installing a Resideo Braukmann AM-1 mixing valve, raising water heater storage temperature setting and limiting mixed outlet water temperature to a safe temperature, more usable hot water is available.
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- Features dual purpose mixing or diverting values
- Offers constant water temperature under changing operating conditions
- Temperature is limited at any point and if cold water supply is interrupted, flow reduction occurs in seconds
- Provides reliable performance at minimum flow of 5 gpm and proportional valve for simultaneous control of hot and cold
- Tamper-resistant design with nickel-plated brass construction and EPDM o-rings
- Designed for easy maintenance and Teflon coating prevents mineral build-up and extends life
- Teflon-coated shuttle, EPDM rubber o-ring
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Resideo Braukmann AM100-US-1LF
Item#:
AM100-US-1LF
Manufacturer Item:
AM100-US-1LF
Manufacturer:
HONEYWELL
Sid Harvey AN 77 700 Air Vent with Check Valve, 1/8 or 1/4 Inch, NPT, 175 psi
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- Quick acting air vent with self-sealing mounting valve
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Sid Harvey B157-7
Item#:
B157-7
Manufacturer Item:
AN 77 700
Manufacturer:
MITCO MFG.