Amtrol purge valve purge air from hot water heating systems. they are a bronze combination balance and purge fitting. Amtrol purge valves serve as balancers by adjusting diverter to desired restrictions. Diverter stops flow before it enters the Purge Valve so water will move in one direction through the piping, purging air from the system as water is removed from the drain and replaced by automatic fast fill valve.

• 1/2" drain tapping

Sid Harvey Item #:B137-32: Replaces Part #:'s : 2W256
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Amtrol Parts B137-32

Amtrol 445 Cast Iron Air Purger, 1-1/2", 125 psi, 4" W x 6" H

• Separates air from water in closed loop hydronic heating system
• System connection sets the point of no pressure change
• 1-year warranty
• 1/8" NPT top tapping, 1/2" bottom tapping
  
  Sid Harvey Item #:B135-81: Replaces Part #:'s : 21441,
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  Amtrol Parts B135-82

Amtrol Parts B135-71 Diaphragm Expansion Tank 4.4 Gallon 3/4" MNPT 150 psi,
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Amtrol Parts B135-71

Amtrol Parts CH-41Z Indirect Water Heater 41 Gallon 40k BTU
Amtrol has a long tradition of innovative products for the plumbing and heating market, including BoilerMate, the industry's first indirect-fired water heater. Nearly four decades later, our residential lineup includes new models and options to fit any budget. All BoilerMate water heaters are made in the USA and continue to represent a great value in comfort, efficiency and long-term reliability. BoilerMate Hot Water Makers offer great value and dependable performance with options to fit any installation and budget.

• High density poly bottle withstands aggressive water
• Molded insulation minimizes heat loss
• Top or bottom mount heat exchanger
• Mechanical or digital temperature control
• Deep drawn dome offers twice the strength of traditional construction
• Precision welded with rugged steel base
• Finned design for effective heat transfer
• Removable for cleaning and service
• 6 years factory warranty with limited lifetime option

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Amtrol Water Heaters CH-41Z

Amtrol ET18 Steel Residential Closed Hot Water Heating Expansion Tank 18,
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Amtrol ET18

Amtrol Parts EX30PRO Extrol Pro Expansion Tank 4.4 Gallon 1/2" MPT

Amtrol Parts EX30PRO

Amtrol Parts EX60PRO Extrol Pro Expansion Tank 6.7 Gallon 1/2" MPT

Amtrol Parts EX60PRO