Mcdonnell & Miller GuardDog RB-122-E Low Water Cut-Off, 120 VAC, 160 psi, Automatic Reset

• Electronic operation, easy to install and wire
• Red low water indicating LED, green power indicating LED
• Automatic reset and now with test butTon
• 20000 ohm probe sensitivity
• NEMA 1 enclosure

Sid Harvey Item #:RB-122: Replaces Part #:'s : 27443,

,

McDonnell & Miller RB-122

Mcdonnell & Miller GuardDog 752P-MT-24 Electronic Low Water Cut-Off, 24 VAC, 15 psi Steam, 160 psi Water, Automatic Reset

• No lock out with loss of power if probe is in water
• Test butTon
• Green LED indicates power on
• Red LED indicates low water
• 20000 ohm probe sensitivity
• With standard probe

,
,

752P-MT-24

Mcdonnell & Miller 344100 Upper Tube Assembly for 67 Series Low Water Cut-offs

,
,

mcdonnell & miller pse-802m-24

Taco LTR0243T-1 Electronic Low Water Cut-Off, 24 VAC, 160 psi, Automatic,
,

Taco LTR0243T-1

Honeywell T775R2035 Electronic Temp Controller W/2 Temp Inputs 2 SPDT Relays,
,

T775R2035

Flexcon Flex2pro PH5 16 ga Cold Rolled Steel Thermal Expansion Tank, 2.1 Gallon, 3/4" MNPT, 200 psig, 11" H x 8" Diameter

• 100% butyl diaphragm and plastic liner to separate the system water from the tanks air precharge
• Stainless steel sleeve to prevent corrosion, something no other manufacturer offers
• Top chamber is 100% butyl rubber, lower water chamber is copolymer polypropylene
• High pressure, seam weld, helium, final precharge check testing
• Brass valve with o-ring seal
• 0.9 Gallon maximum accepted volume

,
,

Flexcon PH5

Resideo TK300-30 Expansion Tank 4.4 Gallon 11 x 15-1/2" H,
,

TK300-30

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 SX-30V Diaphragm Expansion Tank 14 Gallon 1" NPTF 100 psi 30 Lls
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

• For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty,
  ,
  
  
  
  

  Amtrol Parts SX-30V

Amtrol Parts Amtrol Parts B135-40 Diaphragm Type Expansion Tank 2 Gallon 1/2" MPT 15 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
• 1 Gallon maximum acceptance volume
• Made in USA
• 13" H x 8" Diameter

Sid Harvey Item #:B135-40: Replaces Part #:'s : 3207,

,

Amtrol Parts B135-40

Amtrol Parts B135-70 Diaphragm Expansion Tank 2 Gallon 3/4" MNPT 150 psi,
,

Amtrol Parts B135-70

Amtrol Parts SX-60V Diaphragm Expansion Tank 32 Gallon 1" NPTF 100 psi 60 Lb
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

• For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty,
  ,
  
  
  
  

  Amtrol Parts SX-60V