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TACO 555-050 POWER HEAD
TACO 555-050 POWER HEAD
Item # 524167

This zone valve power head is made for 570 series valves. It has a 24 VAC operator for added efficiency.

  • Taco 555-050RP Zone Valve Power Head
  • Zone Valve Power Head
  • For Taco Series 570 Zone Valves (570, 571, 572, and 573)
  • Allows for service of valve without removing it

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TACO CARTRIDGE ASSEMBLY FOR BRONZE
TACO CARTRIDGE ASSEMBLY FOR BRONZE
Item # 523706
  • Replacement Cartridge Assembly For Taco 006 Bronze Circulators
  • Repair Part
  • Used on Models: 005-BF1, 005-BF1-W, 005-BF2, 005-BF2-1, 005-BF2-2, 005-BF2-J, 005-BF3-Y, 005-BF3Y-1, 005-ZBF2, 005-ZBF2-1
  • TAC005-0020RP is the replacement cartridge for TACO 005 & 006 Bronze Pumps
  • Cast Iron

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Watts 2.1 Gal. 1/2 in. IPS Hydronic Expansion Pressure Tank, Model #ETX-15
Watts 2.1 Gal. 1/2 in. IPS Hydronic Expansion Pressure Tank, Model #ETX-15
Item # 484020

This non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 PSI, tank volume is 2.1 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1/2 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 PSI (5.3 BAR).

  • Precharged to 12 psi
  • Rugged flexible butyl diaphragm
  • Inline and free standing models
  • Steel construction

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Watts Anti Siphon Vacuum Breaker , Backflow Preventer,1/2 in. Chrome, Lead Free Brass
Watts Anti Siphon Vacuum Breaker , Backflow Preventer,1/2 in. Chrome, Lead Free Brass
Item # 292972
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection.

This 1/2 in. lead free anti-siphon hot or cold water vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of polished chrome plated lead free construction, chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment.

  • Lead free construction
  • Chrome finish
  • Female NPT inlet and outlet
  • Hot or cold water
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment
  • Maximum pressure is 125 psi

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Watts 4.7 gal. Hydronic Expansion Tank Model #ETX-30, 1/2 IN. IPS
Watts 4.7 gal. Hydronic Expansion Tank Model #ETX-30, 1/2 IN. IPS
Item # 484021

This non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 PSI, tank volume is 4.5 gal. and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy , mounts to supply piping, 1/2 in. MNPT system connection and a 0.302-32 in. charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 PSI (5.3 BAR).

  • 4.5 gal. tank
  • Rugged flexible butyl diaphragm
  • Inline and free standing models
  • Steel construction
  • Precharged to 12 PSI
  • Max. Pressure 75 PSI
  • Durable expansion membrane prevents contact of water with the air in the tank
  • Carbon steal with epoxy
  • Commercial and residential applications
  • 1/2 in. MNPT system connection

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FIRST COMPANY Changeover Aquastat
FIRST COMPANY Changeover Aquastat
Item # 53-6059

White Rodgers -- horizontal mounting. 50 To 90F (10 to 32C) range, 24v. 2 Stage heating, 1 stage cooling. Heat anticipator first stage 0 to 1.0 Amp, second stage . 15 To 1.0 Amp. Mercury cell switch. Energizes reversing valve in heat or cool position. Beige. Min. Order: 1 EA

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Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Item # 523075

4- spring Coupler for S & H circulators. Cast iron construction for long service life. Easy cross reference to competing models.

  • Cast iron construction
  • Couples motor to pump inside bearing assembly housing
  • Used on S-25,S-35.H32,H41
  • Can used be placed on B & G circulator
  • Equals B & G #118705
  • Equals B & G #189110
  • No balancing required
  • No rusting due to construction
  • Durable
  • Genuine factory replacements

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Bell & Gossett 118705 CAST IRON COUPLER
Bell & Gossett 118705 CAST IRON COUPLER
Item # 523025

Cast Iron Construction

  • Couples Motor To Pump Inside Bearing Assembly Housing
  • Fits B&G Series 100 Pumps & Armstrong #S-25

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TACO CARTRIDGE ASSEMBLY FOR CAST IRON
TACO CARTRIDGE ASSEMBLY FOR CAST IRON
Item # 523703
  • Replacement Cartridge Assembly For Taco 007 Cast Iron Circulators
  • Repair Part
  • Select 007 Pump Models
  • 005 Pump Model 005-F2-4
  • Cast Iron

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Bell & Gossett 118473 CAST IRON REPLACEMENT COUPLER

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Armstrong Pumps No. 5 Series Seal Bearing Assembly
Armstrong Pumps No. 5 Series Seal Bearing Assembly
Item # 3575254

Series 5 maintence free seal bearing assembly, never needs oiling providing years of quiet and dependable service. Compatibility with Bell & Gossett three piece circulators. Safer solution for facility and service personnel

  • S&H #5 Series Maintenance-free Seal Bearing Assembly
  • Universal- fits B&G 3 piece circs
  • A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free

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Bell & Gossett 186863LF BEARING ASSEMBLY
Bell & Gossett 186863LF BEARING ASSEMBLY
Item # 556286

Bell & Gossett Bearing Assembly

  • Includes Body Gasket and Oil Tube

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Bell & Gossett 118723 CAST IRON COUPLER
Bell & Gossett 118723 CAST IRON COUPLER
Item # 523026

Cast Iron Construction

  • Couples Motor To Pump Inside Bearing Assembly Housing
  • Fits B&G Series HV Pumps & Armstrong #H-32

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Armstrong Pumps Lead Free Union Fitting Sets for Circulator Pumps, 3/4 in. Sweat
Armstrong Pumps Lead Free Union Fitting Sets for Circulator Pumps, 3/4 in. Sweat
Item # 523031

lead free bronze flanges. makes installation and service easy. provides a strong and water tight connection between pipe and circulator.

  • For use with Astro 220 and 225 SSU models
  • 1-1/4 in. NPSM x 3/4 in. sweat
  • Lead free
  • Set contains 2 half unions and gaskets
  • Easy to install
  • For use with copper pipe
  • Water tight connection
  • High quality
  • Genuine factory replacement
  • Complies with California & Vermont lead free laws

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Armstrong Pumps No. 2 Series Seal Bearing Assembly
Armstrong Pumps No. 2 Series Seal Bearing Assembly
Item # 3575252

The Armstrong SBA contain an interchangeable module that includes a stainless steel pump shaft a housing that contains a precision crafted front and back end bearings that are permanentlty lubricated. Safer solutions for Facility and service personnel. faster onsite service and replacement.

  • S&H #2 Series Maintenance-free Seal Bearing Assembly with Impeller
  • Universal- fits B&G 3 piece circs
  • A longer circulator life without maintenance (regular oil lubrication is not required)no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free

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Armstrong Pumps 1/2 in. x 1/2 in. Circulator Pump Coupler Flex Type
Armstrong Pumps 1/2 in. x 1/2 in. Circulator Pump Coupler Flex Type
Item # 3575251

Flex coupler to be used in S & H circulators. long lasting maintenance free design. coupling design provides quieter operation and easy installation.

  • Coupler
  • Flex Type (0.5in x 0.5in)
  • long lasting
  • easy to install

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Armstrong Pumps No. 4 Series Seal Bearing Assembly
Armstrong Pumps No. 4 Series Seal Bearing Assembly
Item # 3575250

The Armstrong SBA contain an interchangeable module that consists of a stainless steel pump shaft and a housing that contains precision crafted front and back end bearings that are permanently lubricated. safer solution for facility and service personnel. Faster on site service and replacement

  • S&H #4 Series Maintenance-free Seal Bearing Assembly, a longer circulator life without maintenance (regular oil lubrication is not required)no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free

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Bell & Gossett 118844LF BEARING ASSEMBLY WITH GASKET
Bell & Gossett 118844LF BEARING ASSEMBLY WITH GASKET
Item # 523022

Features Face Plate, Nut and Washer

  • Seal Kit Included
  • Fits Bronze Or Iron Body Pumps For Bell & Gossett Or Armstrong
  • Replaces Armstrong #816019-02

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Armstrong Pumps No. 3 Series Seal Bearing Assembly with Impeller
Armstrong Pumps No. 3 Series Seal Bearing Assembly with Impeller
Item # 3575253

The Armstrong ball bearing SBA contain an interchangeable module that includes a stainless steel pump shaft and a housing that contains precision crafted front and back end bearings that are permanently lubricated. Safer solution for facility and service personnel. faster on site service and replacement.

  • S&H #3 Series Maintenance-free Seal Bearing Assembly without Impeller
  • Universal- fits B&G 3 piece circs
  • A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free

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Honeywell High-Capacity Thermostatic Radiator Actuator with Remote Sensor
Honeywell High-Capacity Thermostatic Radiator Actuator with Remote Sensor
Item # SX-0465967

High Capacity Thermostatic Radiator Valves with T104 Actuators provide control of temperature by modulating the flow of hot water or steam through free-standing radiators, convectors and other heating units with high capacity requirements. Continually monitor and adjust room temperature for consistent comfort and relief from under-heating and overheating. Designed with the higher capacity normally required by North American heating systems.

  • Controller with combined remote setpoint and sensor mounted on a wall. Setpoint/sensor connect with a capillary tube to an actuator, which mounts on the valve body. For V110 valves
  • Valve seat disc, which is made of resilient material (EPDM), ensures tight shutoff on steam or hot water systems
  • Nickel-plated bronze casted body with working parts in cartridge insert for ease of service
  • All working parts are replaceable while valve remains in service, in-line, under pressure
  • Controls include sensor, set point dial and valve actuator; components may be integral or connected by capillary tubes
  • Require no electrical connections
  • Meet ASHRAE standard 102-1989
  • 40 mm collar diameter
  • Temperature Range (F) 48°F to 79°F
  • Capillary Length (ft)6 ft. 8 in.

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Bell & Gossett 3/4 IN. BRONZE PUMP FLANGE
Bell & Gossett 3/4 IN. BRONZE PUMP FLANGE
Item # 523015

3-5/32" Centers

  • Fits B&G Series 100B,PRAB,NBF-22,NBF-12,NBF-36,PL-36B,PL-55B and Armstrong Astro 30 and S-25 Pumps

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Bell & Gossett 189034LF BEARING ASSEMBLY
Bell & Gossett 189034LF BEARING ASSEMBLY
Item # 556287

Bell & Gossett Bearing Assembly

  • Fits Series 100AB & 100BNFI Circulators

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Watts 3/4 in. Threaded Brass Isolation Pump Flange
Watts 3/4 in. Threaded Brass Isolation Pump Flange
Item # 523106

This 3/4 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N Stem O-Ring seal, virgin PTFE seat, and optional T-handle included. The pressure is rated 600 psi (41.4 BAR) WOG and the maximum temperature is 406°F (208°C) at 100 psi (6.9 BAR).

  • Brass body and flange
  • Buna-N stem and O-ring seal
  • NPT threaded end connection
  • Virgin PTFE seats
  • Optional T-handle included
  • Pressure rated at 600 psi

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TACO 3/4 in. NPT 120-VAC Probe Low Water Cutoff Auto Reset
TACO 3/4 in. NPT 120-VAC Probe Low Water Cutoff Auto Reset
Item # 137047

The Taco LWCO provides reliable protection for all types of boilers, from small residential hot water boilers to large industrial steam boilers. The boiler’s minimum safe operating water level is specified by each manufacturer. Should the water level dip below that specified level, heat will accumulate quickly causing significant damage to the boiler and a potential external safety hazard. The Taco LWCO prevents this hazard from occurring. The LWCO can be used as a primary or secondary low water cutoff on steam boilers up to 250 psi, a primary limit control on hot water boilers or to protect pumps from running dry in condensate receiver tank applications. The LWCO can also activate alarm systems or automatic water feeders.

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