Bronze Double Check Backflow Preventer with Intermediate Atmospheric Vent, 1/2", FNPT,
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Honeywell BP900

Watts Regulators series B1156F bronze 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 a 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 B1156F has high capacity performance and simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems.

• 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

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Watts Water B1156F

Sid Harvey B160 Radiator Vent Key For Bleeding Air From Radiators,

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Sid Harvey B160

Bell & Gossett B156 Main Air/Steam Valve 3/4" IPS
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Bell & Gossett B156

Dole 1933-1/8-SS Chrome-Plated Stainless Steel Non-Adjustable Air/Steam Vertical Valve, 1/8", Male

Sid Harvey Item #:B155: Replaces Part #:'s : 5G1031,
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Dole B155

The number 7 series Auto-Vents are reliable, automatic air eliminating valves for concealed radiators, pipe lines, tanks and other devices where water or liquids are used for heating and cooling. They have proven to be the solution to problems that have confronted engineers and contractors in which air pockets or traps retard the free circulation of the liquids and reduce the efficiency of the system or appliance. The numer 7 series Auto-Vents air eliminators are made of brass and equipped with a self-closing, float-operated valve. The valve is equipped with a monel metal spring and a neoprene valve seat which is unaffected by high temperatures, oil and anti-freeze. No air chamber is required. The vent is regularly fitted with a patented cap that may be used as a check in case of a leak caused by core sand or scale.

• Vertical mounting
• They vent air continuously and help your system work at peak efficiency

Sid Harvey Item #:B157: Replaces Part #:'s : L37-205,
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Maid-O-Mist B157

Sid Harvey B159-1 Air Valve Key 1/8"
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Sid Harvey B159-1

Dole B150 Angle Steam Valve 1/8" MPT,
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Dole B150

Dole 8-D Polished Nickel Bi-Metal Air/Steam Angle Valve, 1/8", Male

• Tamper resistant
• Accurate bi-metallic actuator
• Internal float for positive water shut-off
• .185" diameter vent
• Economical

Sid Harvey Item #:B152: Replaces Part #:'s : B152
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Dole B152

Dole 8-C Polished Nickel Bi-Metal Air/Steam Angle Valve, 1/8", Male

• Tamper resistant
• Accurate bi-metallic actuator
• Internal float for positive water shut-off
• .4" diameter vent
• Economical

Sid Harvey Item #:B151: Replaces Part #:'s : B151,
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Dole B151

Gorton Heating Corp NO.1-3/8 Steel Vertical #1 Air Vent Valve, 3/8", MNPT

• Install one or more no.1 air eliminators at the end of the short main or the main running to the warm side of the building, install two or three no.1 air eliminators at the end of the long main or main running to the cold side of the building

Sid Harvey Item #:B153: Replaces Part #:'s : B153
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Gorton Heating B153

Dole 8-5 Polished Nickel Bi-Metal Air/Steam Angle Valve, 1/8", Male

• Tamper resistant
• Accurate bi-metallic actuator
• Internal float for positive water shut-off
• .7" diameter vent
• Economical

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Dole B149