Mcdonnell & Miller 150S Low Water Cut-Off, 120/240 VAC, 150 psi, Automatic Reset

Monel bellows provides corrosion resistance
• Cut-off and alarm actuation
• With pump controller
  

  McDonnell & Miller B109

Safgard 400 Galvanized Housing Glazed Probe Insulator Non-Cycling Steam Primary Low Water Cut-Off 24 VAC 15 psi Automatic Reset

Low maintenance - no moving parts to wear or hang up, as in float devices
• Advanced solid state design - high quality, economical boiler protection
• Delayed burner shutdown - 15 sec off-time delay in low water condition prevents burner short cycling due to surging and priming
• Probe plus 30 - 30 sec on-time delay allows solenoid valves and automatic feeders to bring feed water past the probe to a safe operating level
• Automatic reset - automatically restarts the boiler after 30 sec on-time delay when water reaches the probe
• Low water indicating light
• Direct boiler mounting - eliminates blowdowns
• SPDT switch contacts
• NEMA 1 control housing
  

  Hydrolevel B103-39

63 Mechanical Low Water Cut-Off with Manual Reset 125 VA 5.1 FLA/30.6 LRA at 240 VAC 50 psi

Heavy-duty
• Use with TC-4 on hot water systems
• For commercial, industrial and residential applications
• 10.2 amp full load and 61.2 amp locked rotor at 120 VAC
• No 2 switch
• With manual reset
  

  McDonnell & Miller B109-6

Xylem B109-5 Float Type Low Water Cut-Off 120/ 240 VAC 50 PSI Automatic,

Xylem B109-5

Amtrol Parts B48-40 Tempering Valve 1/2" Sweat
The Amtrol Mixing Valve is constructed with a temperature adjusting handle for quick and easy alteration of mixed water temperature

1-1/2"
• 110-170 Degrees
• Sweat
• Stainless Steel
• Bronze
  

  Amtrol Parts B48-40

Amtrol Parts B135-42 Diaphragm Type Expansion Tank 7.6 Gallon 1/2" MPT 60 Lbs.

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 B135-42

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
  

  Watts Water B144-1A

Amtrol Parts B135-69A Automatic Fill Valve FL-109 Fill-Trol Expansion Tanks

Amtrol Parts B135-69A

Valve and Strainer Kit Domestic

Model SA47-101-102

Sid Harvey Item #:B123-1: Replaces Part #:'s : L38-786

McDonnell & Miller B123-1

Thrush B143-3 Reducing Valve (Brass) 1/2" 10F,

Thrush B143-3

Amtrol Parts B135-43 Diaphragm Type Expansion Tank 14 Gallon 1/2" MPT 90 Lbs.

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 B135-43

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

Amtrol Parts B135-71