Bell & Gossett B138-1 #8 Brass Dual Unit Valve 1/2" NPT 30 PSI Relief 12 PSI Reducing
Reducing valves fill the system to a preset pressure for optimum performance. Combination dual unit valves include pressure reducing valve and relief valve. Both Valves are equipped with an EPDM diaphragm. The diaphragm operated relief valve operates with a low differential between opening and closing pressures. The diaphragm operated pressure reducing valve is equipped with an inlet strainer and built-in low inlet pressure check valve.

• Low inlet pressure check valve help prevent loss of system pressure if the supply water drops below system pressure
• Convenient cleanable strainer is designed to prevent dirt and sediment from entering the system
• Relief and B-38 pressure reducing component valves

Sid Harvey Item #:B138-1: Replaces Part #:'s : B138-1R | B143-12 | B144-1A,
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Therma Flow Parts ULT BLANK PLATE W/ Dunkirk Blank Plate & Gasket,
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International Comfort Products Fast Heating Parts EHK05AKN Electric Heater 5 KW

International Comfort Products Fast Heating Parts EHK05AKN

International Comfort Products Fast Heating Parts EHK07AKN Electric Heater 7 KW

International Comfort Products Fast Heating Parts EHK07AKN

Electric Water Feeder 2350000 BTU Output Import

• Eliminates necessity to manually add water to the boiler
• Can be used with mechanical or electronic low water cut-off controls
• Quick-change replaceable cartridge valve and strainer
• Manual feed button

Sid Harvey Item #:B112-10: Replaces Part #:'s : 13549,

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Electric Water Feeder 24 volt 150 psi Maximum Water Supply 25 psi Maximum Boiler

• Eliminates necessity to manually add water to the boiler
• Can be used with mechanical or electronic low water cut-off controls
• Quick-change replaceable cartridge valve and strainer
• Manual feed butTon
• 40 VA transformer

Sid Harvey Item #:B112-8: Replaces Part #:'s : L38-767,
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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,

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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

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

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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,

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Amtrol Parts B135-61 Diaphragm Expansion Tank 4.4 Gallon 1/2" NPTM 100 psig 30 Lbs,
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