Amtrol Parts Diaphragm Expansion Tank W/Fill Valve 2 Gallon 1/2" FNPT 100 psig

Amtrol Parts B135-60

Amtrol Parts Diaphragm Expansion Tank 4.4 Gallon 1/2" NPTM 100 psig 30 Lbs.s

Amtrol Parts B135-61

Bell & Gossett B138-LF F3 Brass Dual Unit Valve 1/2" NPT 30 PSI Relief x 12 PSI Reducing

Bell & Gossett B138-LF

Bell & Gossett B138-LF

Amtrol Parts Diaphragm Type Expansion Tank 4.4 Gallon 1/2" MPT 30 Lbs.s.

Accepts expanded water as system temperature rises to reduce pressure build-up
• Helps reduce energy consumption and reduces system wear
• Suitable in propylene glycol applications with mixtures up to 50%
• Heavy-duty butyl/EPDM diaphragm
• Steel system connection
• Projection welded air valve
• Made in USA
  
  

  Amtrol Parts B135-41

Amtrol Parts Diaphragm Type Expansion Tank 2 Gallon 1/2" MPT 15 Lbs.s.

Accepts expanded water as system temperature rises to reduce pressure build-up
• Helps reduce energy consumption and reduces system wear
• Suitable in propylene glycol applications with mixtures up to 50%
• Heavy-duty butyl/EPDM diaphragm
• Steel system connection
• Projection welded air valve
• 1 Gallon maximum acceptance volume
• Made in USA
• 13" H x 8" Diameter
  
  

  Amtrol Parts B135-40

Sid Harvey B132-1 EPDM Lathe Cut Gauge Glass Washer, 5/8 Inch Dia, 12/Pack

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Sid Harvey B132-1

Sid Harvey B132-1

Sid Harvey B132-2 Molded Rubber High Pressure Gauge Glass Washer, 5/8 Inch Dia, 12/Pack

Sid Harvey Item #:B132-2: Replaces Part #:'s : G34-978,

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Sid Harvey B132-2

Sid Harvey B132-2

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 #:B144-1: Replaces Part #:'s : 2K402,
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Watts Water B144-1

Watts Water B144-1

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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Watts Water B144-2

Watts Water B144-2

Conbraco B133-3 Gauge Glass Nut 5/8" OD,

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Apollo Valves B133-3

Apollo Valves B133-3

Sid Harvey B133-2 Gauge glass Brass Washer 5/8"

Sid Harvey Item #:B133-2: Replaces Part #:'s : 4614,
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Sid Harvey B133-2

Sid Harvey B133-2

Watts Regulators series 740 boiler pressure relief valves are used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of a iron body construction with expanded outlet drain connections for hot water space heating boilers, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 740 offers large discharge capacity, resists corrosive water conditions, resists sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control.

• Iron body with expanded outlets for hot water space heating boilers
• Seat located above drain, water can't be trapped and sediment can't foul seat
• Non-mechanical seat-to-disc alignment will not stick or freeze
• Water seal of high temperature resisting material isolates spring working parts from water during relief

Sid Harvey Item #:B145-5: Replaces Part #:'s : 35699,

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Watts Water B145-5

Watts Water B145-5