Resideo L7224U1002 Electronic Aquastat Oil 120 VAC,

,

CycleGard Electronic Low Water Cut-Off 120 VAC 15 psi Automatic

• Burner circuit contacts open after 15 sec delay in a low water condition
• Automatically reactivates burner circuit 30 sec after water reaches the probe, allowing optional water feeder to raise water level above the probe
• Intermittent level test (ILT) feature provides maximum boiler protection by removing power from the burner circuit at set intervals
• NEMA 1 enclosure

,
,

Hydrolevel CG4501560

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 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

,
,

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

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

Honeywell Home VCZZ6100 EPDM Linear Replacement Cartridge for 3-Way Valves with 14 lb 1-1/2",
,

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

,
,

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

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 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 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,

,