Taco 1600-160RP Cartridge Bearing Assembly for All Brackets 120, 130, 1600 CentrifuGallon Pumps

Sid Harvey Item #:B67-60: Replaces Part #:'s : 21403,
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Taco SR501-4 1-Zone Switching Relay, 120 VAC at 60 Hz, 12 amp

• External indicator lights
• Universal replacement
• Snap-in PC board
• Simplified wiring
• Fuse protected outputs
• 100% factory tested
• Contractor friendly PC board layout
• Universal thermostat compatibility
• All circulator relay connections rated 1/3 HP (6 amp full load, 36 amp locked rotor) at 120 VAC
• Thermostat connection supplies a 24 VAC class 2 output

Sid Harvey Item #:SR501: Replaces Part #:'s : 5C955,
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Taco SR501

Taco SR502-4
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Taco SR502-4

Taco 5002-C3 Forged Brass 3-Way Mixing Valve, 1/2", Sweat Union

• Outlet temperature strip
• Delivers stable mixed water temperature
• Low head loss
• 20% maximum variation in supply pressure
• Tamper-resistant cap
• Noryl GFN2 internal component, viTon seals, stainless steel spring and temperature gauge, polysulfone pisTon, EPDM gaskets, brass gauge fitting

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Taco 5002-C3

Taco 5003-C3 Forged Brass 3-Way Mixing Valve, 3/4", Sweat Union

• Outlet temperature strip
• Delivers stable mixed water temperature
• Low head loss
• 20% maximum variation in supply pressure
• Tamper-resistant cap
• Noryl GFN2 internal component, viTon seals, stainless steel spring and temperature gauge, polysulfone pisTon, EPDM gaskets, brass gauge fitting

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Taco 5003-C3

Taco zone valve controls work with two, three or four wire zone valves. Fully fuse protected, they also include two isolated end switches and a built-in priority switch. The contractor friendly PC board layout eliminates the problems caused by incorrect wiring and the"unfinished" look of conventional zone valve installations.

• External indicator lights
• Switchable priority
• Simplified wiring
• Compact design
• Fuse protected
• Two isolated end switches
• Extra set of dry contacts
• Contractor friendly
• PC board layout
• Universal thermostat compatibility
• 2 Power port slots

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Taco ZVC403

Taco zone valve controls work with two, three or four wire zone valves. Fully fuse protected, they also include two isolated end switches and a built-in priority switch. The contractor friendly PC board layout eliminates the problems caused by incorrect wiring and the"unfinished" look of conventional zone valve installations.

• External indicator lights
• Switchable priority
• Simplified wiring
• Compact design
• Fuse protected
• Two isolated end switches
• Extra set of dry contacts
• Contractor friendly
• PC board layout
• Universal thermostat compatibility
• 2 Power port slots

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Taco ZVC404

Taco SR503-4 switching relay is the best choice for all your zoning needs, with advanced powerport cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00 family of circulators and thermostats, total system integrating is achieved. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.

• External indicator lights
• Switchable priority
• Priority protection
• Simplified wiring
• Sealed relays
• Fuse protected outputs
• Compact design
• 100% factory tested
• Isolated end switch
• Contractor friendly PC board layout
• Universal thermostat compatibility
• All circulator relay connections, including ZC/ZR, are rated 1/3 HP (6 amp full load, 36 amp locked rotor) at 120 VAC
• End switch connections are rated 24 VAC, 1 amp
• All thermostat connections supply a 24 VAC class 2 output

Sid Harvey Item #:SR503: Replaces Part #:'s : ERSR301,
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Taco SR503

Taco switching relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the advanced features of the -ExP controls, the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.

• Front external indicator lights
• Ideal for retrofitting
• Primary circulator output
• Simplified wiring
• Sealed relays
• Fuse protected
• Compact design
• 100% factory tested
• Two isolated end switches
• Contractor friendly PC board layout
• Universal thermostat compatibility
• All circulator relay connections, including ZC/ZR, are rated 1/3 HP (6 amp full load, 36 amp locked rotor) at 120 VAC
• End switch connections are rated 24 VAC, 1 amp
• All thermostat connections supply a 24 VAC class 2 output
• Plug-in power controls

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Taco SR503-EXP-4

Taco ZA024Q4A2 Actuator Head Zone Sentry Valves 24 VAC,
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Taco ZA024Q4A2

Taco air scoop's special design and internal baffles of Taco air scoops slow water velocity to separate the air from solution. Thanks to this design, Taco air scoops efficiently remove air to provide noiseless, air-free hydronic heating, cooling or combination systems. They also provide an economic way to integrate air elimination by the connection of either a plain steel or diaphragm expansion tank.

• 1-piece cast iron construction
• Never requires any servicing
• Engineered baffle separates air from water
• Each air scoop has a vent connection on top for the installation of a 1/8" Taco 400-3 or 416-1 Hy-Vent and 1/2" bottom tapping for a diaphragm expansion tank
• The 1-1/2 - 4" air scoops also have an additional top tapping for the connection of a plain steel expansion tank
• Water or water/glycol media

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Taco B153-14

Taco air scoop's special design and internal baffles of Taco air scoops slow water velocity to separate the air from solution. Thanks to this design, Taco air scoops efficiently remove air to provide noiseless, air-free hydronic heating, cooling or combination systems. They also provide an economic way to integrate air elimination by the connection of either a plain steel or diaphragm expansion tank.

• 1-piece cast iron construction
• Never requires any servicing
• Engineered baffle separates air from water
• Each air scoop has a vent connection on top for the installation of a 1/8" Taco 400-3 or 416-1 Hy-Vent and 1/2" bottom tapping for a diaphragm expansion tank
• The 1-1/2 - 4" air scoops also have an additional top tapping for the connection of a plain steel expansion tank
• Water or water/glycol media

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