• Honeywell V8043E1012 3/4" Sweat Zone Valve (Connection = 18" Leads)

    Two-way, straight-through all models may be installed without disassembling the valve compact construction for easy installation complete Powerhead may be removed or replaced without breaking plumbing line connections or draining the system actuator motor may be replaced without removing the valve body or draining the system valve designed for cycling (not constantly powered on) applications on-off and two-way lowage valves consist of an actuator and valve assembly for controlling the flow of hot water and some models for steam. - manufacturer: Honeywell

    • ASIN: B0002YTK7I
    • UPC: 085267990042
    • ASIN: B0002YTK7I
    • Brand: Honeywell
    • Manufacturer: Honeywell

  • Taco T571-2 3/4-Inch Gold Series Zone Valve

    The Taco 571-2 3/4" Sweat Gold Series Zone Valve is the industry standard for Hydronic heating applications. The quiet and dependable operation has made this valve an industry leader for decades. The manual open lever and twist off head makes installation and service easy.

    • ASIN: B0009X1KQG
    • UPC: 687752947090
    • ASIN: B0009X1KQG
    • Brand: Taco
    • Manufacturer: Taco

  • Honeywell V8043E1020 Zone Valve 1" SWT, 2-Way, 24 Volt, 6.7" x 18.7" x 10.4"

    Two-way, straight-through | all models may be installed without disassembling the valve | compact construction for easy installation | complete Powerhead may be removed or replaced without breaking plumbing line connections or draining the system | actuator motor may be replaced without removing the valve body or draining the system | valve designed for cycling (not constantly powered on) applications | on-off and two-way lowage valves consist of an actuator and valve assembly for controlling the flow of hot water and some models for steam. - manufacturer: Honeywell

    • ASIN: B0006UPNKG
    • ASIN: B0006UPNKG
    • Brand: Honeywell
    • Size: 6.7 X 18.7 X 10.4
    • Manufacturer: Honeywell

  • Emerson 1361-102 Hot Water Zone Control

    The White-Rodgers 1361-102 is a 2-wire valve for zoning Hydronic systems up to 50 PSI. This valve is designed for 0.75" I.D. tubing, and features built-in auxiliary contacts to control burner or circulator relay.

    • ASIN: B00206W25I
    • UPC: 094717289612
    • ASIN: B00206W25I
    • Brand: Emerson Thermostats
    • Manufacturer: Emerson Climate Technologies

  • White-Rodgers 1311-102 3-Wire Hydronic Zone Valve, 3/4" Tube, 24V

    Quiet Operation, Valve Stem Made Of Steeliness Steel, Automatic Recycling Manual Operator Shows Valve Position At All Times, White-Rodgers 1311-102 3-Wire Hydronic Zone Valve, 3/4" Tube, 24V. Made in United States. Manufactured by White Rodgers.

    • ASIN: B004IRR7HA
    • UPC: 095801794791
    • ASIN: B004IRR7HA
    • Brand: White-Rodgers
    • Manufacturer: White Rodgers

  • Valemo V2313-A10 Motorized Zone Valve, 2-way, 3/4" Sweat, 24 VAC, No End Switch

    Superior performance, durable construction, valve body forged brass. Actuator with all metal gears inside, corrosion-resistant stainless steel housing. Controlling water flow in hydronic heating or cooling systems. Power supply 24V 60Hz, Normally closed (NC), 2-way 3/4", soldering/sweat connection, lead wire 18". Perfect replacement for any of the following existing zone valve installations: - Honeywell: V8043, V8044, V2031A,B, V8031A,B, V8343A,B - Erie/Schneider: VT2312 VT2313 VT2315 VT2317 - Barber Colman: VA1403 - Bell & Gossett: TEV 3/4, MI, 109020 & 109031 - Flair: VJ1C2, VJ2C2, V2ACA... [Read More]

    • ASIN: B01M1GSUUX
    • UPC: 859301005173
    • ASIN: B01M1GSUUX
    • Brand: Valemo
    • Size: 4.3" x 4" x 2.6"
    • Manufacturer: Valemo Controls

  • Valemo V2313-A1S Motorized Zone Valve, 2-way, 3/4" Sweat, Normally Closed, 24 VAC with optional End Switch

    Superior performance, durable construction, valve body forged brass. Actuator with all metal gears inside, corrosion-resistant stainless steel housing. Controlling water flow in hydronic heating or cooling systems. Power supply 24V 60Hz, with end switch for optional signal feedback, Normally closed (NC), 2-way 3/4", soldering/sweat connection, lead wire 18". Perfect replacement for any of the following existing zone valve installations: - Honeywell: V8043, V8044, V2031A,B, V8031A,B, V8343A,B - Erie/Schneider: VT2312 VT2313 VT2315 VT2317 - Barber Colman: VA1403 - Bell & Gossett: TEV 3/4, MI,... [Read More]

    • ASIN: B00P9UZOHK
    • UPC: 859301005005
    • ASIN: B00P9UZOHK
    • Brand: Valemo
    • Size: 4.3" x 4" x 2.6"
    • Manufacturer: Valemo Controls

  • Emerson 1311-103 3-Wire Hydronic Zone Valve

    The Emerson 1311-103 is a 3-wire valve for zoning Hydronic systems up to 50 PSI. This valve is designed for 1" I.D. tubing, and features built-in auxiliary contacts to control burner or circulator relay.

    • ASIN: B004IRPGQY
    • UPC: 786710003950
    • ASIN: B004IRPGQY
    • Brand: Emerson Thermostats
    • Manufacturer: White-Rodgers

  • Honeywell V8043F1036 3/4" Sweat Zone Valve with Screw Terminals and End Switch

    Manual opener for valve operation on power failure; valve returns to automatic position when power is restored. May be installed without disassembling the valve.

    • ASIN: B001CLDMRO
    • UPC: 085267000765
    • ASIN: B001CLDMRO
    • Brand: Honeywell
    • Size: 3/4 Inch
    • Manufacturer: Honeywell

  • ZVC404-4 Zone Valve Control, 4 Zone

    Zone Valve Control, 4 Zone

    • ASIN: B008G8S8A2
    • UPC: 687752857658
    • ASIN: B008G8S8A2
    • Brand: Taco
    • Size: N/A
    • Manufacturer: Taco

  • Valemo V2417-A1S Motorized Zone Valve, 2-way, 1" Sweat, Normally Closed, 24 VAC, with End Switch

    Superior performance, durable construction, valve body forged brass, actuator with all metal gears inside and corrosion-resistant stainless steel housing. Controlling flow of water in hydronic heating or cooling systems, 24V power supply, Includes end switch for signal feedback and control. 1" soldering/sweat connections. Frequency - 50/60 Hz. Wire length - 18" Perfect replacement for any of the following zone valve installations: - Honeywell: V8043, V8044, V2031A,B, V8031A,B, V8343A,B - Belimo - Caleffi - Erie/Schneider: VT2312 VT2313 VT2315 VT2317 - Barber Colman: VA1403 - Bell & Gossett: TE... [Read More]

    • ASIN: B018YQI85A
    • UPC: 859301005111
    • ASIN: B018YQI85A
    • Brand: Valemo
    • Size: 4.12" x 4.25" x 2.62"
    • Manufacturer: Valemo Controls

  • Honeywell V8043E1012 Electric Zone Valve

    Honeywell electric zone valve. Compact construction for easy installation 2 Wire thermostat control, with end switch Two-way, straight-through valve body, normally closed Actuator motor may be replaced without removing the valve body or draining the system Complete power head may be removed or replaced without breaking plumbing line connections or draining the system Electric Zone Valve. HONEYWELL 3/4" 24V 4-WIRE 3.5CV. Replacement Part.

    • ASIN: B009PAPJ48
    • UPC: 703765994439
    • ASIN: B009PAPJ48
    • Brand: Honeywell
    • Manufacturer: American Standard

  • Taco ZA024Q4A1 Zone Sentry Replacement Actuator Head

    This Taco ZA024Q4A1 is a replacement actuator head for a Zone Sentry Zone Valve. It gives you on-off control in both open-closed and hot-cold water hydronic systems and is equipped with a green LED light that shows you that the valve is fully functioning. Installation is quick and easy with the snap-in that connects on the back of the valve. This product will prove to be dependable and efficient.

    • ASIN: B00562R262
    • UPC: 687752865943
    • ASIN: B00562R262
    • Brand: Taco
    • Manufacturer: Taco

  • Valemo AD1S Powerhead, 24 VAC, with End Switch, 18" Leads - Replacement for Honeywell V8043E and V8043A power heads

    Replacement for Honeywell powerheads 40003916-026 or 40003916-021, used in Honeywell V8043E and V8043A 2-way zone valves with end switch. It can also be used to replace Honeywell's V8043A (2-way valve without end switch) as well by simply not connecting the (red) switch wires. This powerhead is for use with Honeywell's new style valve bodies (series 6, removable head) only, and it includes the motor, housing, and 2 mounting screws. The AD1S is 100% compatible to Honeywell part # 4000-3916-026 which is replacement powerhead for Honeywell's V8043E; and it is also 100% compatible to Honeywell par... [Read More]

    • ASIN: B00PCTBBD4
    • UPC: 859301005029
    • ASIN: B00PCTBBD4
    • Brand: Valemo Controls
    • Size: 3.5"x 2.4" x 2.2"
    • Manufacturer: Valemo Controls

  • Azel SZ-84DX Four Zone Valve Controls for Hydronic Radiant Floor Heating Systems

    The i-Link series Zone Valve Controls simplify the field wiring and yet control up to four zone valves in a multi-zone hydronic heating system. The contractor friendly Printed Circuit Board eliminates the problem caused by incorrect wiring and saves hours of installation time. There would be no more "messy" look of conventional zone valve installations. Intelligent Linking System (i-Link) allows unlimited zone expansion with additional i-Link controllers. Field selectable priority with Priority Protection Timer ensures other zones get heat every one hour and prevents freeze-ups in the event of... [Read More]

    • ASIN: B00GSBEBOG
    • UPC: 640350035514
    • ASIN: B00GSBEBOG
    • Brand: Azel Technologies Inc.
    • Manufacturer: Azel Technologies Inc.

  • Taco 24 Volt Hydronic Zone Valve 1/2" Sweat Connections Manual Opening Lever

    Taco 24 Volt Hydronic Zone Valve 1/2" Sweat Connections Manual Opening

    • UPC: 145617707

  • white-rodgers 1311-102 3-wire hydronic zone valve, 3/4" tube, 24v

    quiet operation, valve stem made of steeliness steel, automatic recycling manual operator shows valve position at all times, white-rodgers 1311-102 3-wire hydronic zone valve, 3/4" tube, 24v. made in united states. manufactured by white

    • UPC: 575906822

  • White-Rodgers 3-Wire Hydronic Zone Valve 3/4" Id Tubing

    White-Rodgers 3-Wire Hydronic Zone Valve 3/4" Id

    • UPC: 803422729

  • Taco 24 Volt Hydronic Zone Valve 3/4" Sweat Connections Manual Opening Lever

    Taco 24 Volt Hydronic Zone Valve 3/4" Sweat Connections Manual Opening

    • UPC: 215254633

  • How a Zone Valve Works - Hot Water Heating

    Hydronic Zone Valves

    3 wire taco zone valve operation explained