Apply to be a TradeMaster!
Main product image of 1/2" Sweat 555 Heat Motor Zone Valve
Magnifying glass
Hover image to zoom

1/2" Sweat 555 Heat Motor Zone Valve

Brand:
Taco
SKU:
555-2
Rating:
(0)
Q&A:
(2)
1/2" Sweat 555 Heat Motor Zone Valve
Magnifying glass
Hover image to zoom
555-2 has been discontinued
Discontinued April 30, 2026
This product was discontinued by the manufacturer.
Replacement Parts
View All

Product Highlights

–
Product Highlight: Body Pattern
2-Way
Product Highlight: Connection Type
Sweat Connection
Product Highlight: Flow Capacity (Cv)
4.2 Cv
Product Highlight: Size
1/2"
Product Highlight: Voltage
24V
Product Highlight: Position
Normally Closed

Description

–
Taco's 550 Series heat motor zone valves are designed for high-head capacity applications such as high-rise residential and commercial buildings. Heavy-duty construction enables this series to operate up to 150 feet of pump head. They are available in 1/2" - 1" sweat connections.

Taco Heat Motor Zone Valves provide a convenient way to create individual zones or equipment isolation in a hydronic heating system. Utilizing one pump along with multiple zone valves, flow can be started, stopped, or diverted through the system to provide individual room or area comfort control and energy savings.

Features:
  • Proven Performance: Millions in Use. Taco Zone Valves are the Industry's Top Choice for Consistent Performance
  • Rugged Dependability
  • Silent Operation
  • Twist Off Head
  • Bellows or Globe Valve Construction Ensures Positive Shut-off and Leak Proof Operation
  • Patented Construction
  • Easy to Install
  • Manual Open (Bypass) Lever
  • 24 VAC Powered with Isolated End Switch
  • 100% Factory Tested
  • Made in the USA
  • 3 Year Head, 5 Year Body Warranty

Specs

–
Application:

Zoning

Size:

1/2"

Connection Type:

Sweat

Material:

Bronze

Body Pattern:

2-Way

Amperage:

0.9

Voltage:

24V

Position:

Normally Closed

Hertz:

60

Flow Capacity (Cv):

4.2

Max Flow (GPM):

4.5

Flow Range (GPM):

1-4.5 GPM

Min Flow (GPM):

1

Max Temp (F):

240°F

Temperature Range (F):

40°F - 240°F

Min Temp (F):

40°F

Max Pressure (PSI):

125

Wiring:

3 Wire Terminal Block

Width (Inches):

3-1/16"

Height (Inches):

5.375"

Depth (Inches):

2"

Pump Head Ft of Water:

150 Ft

End Switch:

Yes

Contact

Help Face
CALL US
Question? Call or text 888-757-4774
+
Help Face

Questions?

Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Closed Now:
Hours
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
Response by Thurs

QUICK SUPPORT

Order StatusShipping PolicyReturnsIs My Item in Stock?Request Item for Site

Compare Similar Products

Brand
Application
Size
Connection Type
Material
Body Pattern
CURRENT ITEM
Product Image of 1/2" Sweat 555 Heat Motor Zone Valve
1/2" Sweat 555 Heat Motor Zone Valve
SKU: 555-2
Taco
Zoning
1/2"
Sweat
Bronze
2-Way
1/2" Zone Sentry Valve, Normally Open (Sweat)
SKU: V050C2A2ZB024Q4A2
Taco
Zoning
1/2"
Sweat
Forged Bronze
Straight-Through
2-Way

2 Replacement Parts

Zone Valve Power Head w/ End Switch (Series 570)
SKU: 555-050RP
Taco
Valve & Seat Assembly for Taco 550 Zone Valves
SKU: 555-055RP
Taco
Help Image
Need help finding a replacement part?
Fill out the part request form and someone will get back to you shortly.
PART REQUEST FORM

Product Q&A

2 Questions
2 Questions
ASK A QUESTION

Q: My system has no zone valves and the system heats two floors. Can I split and create two zones? Force hot water heating system. Hot water tank has it's own cir. pump.

Asked by Mr. Ed 15 years ago

Add your answer

* Required Field
Verified Author and ReplyVerified Reply- PexSupply Staff

Yes, that can be done.

Was this review helpful to you?

Q: I am needing just the head of the 555 Taco Zone valve, is this possible?

Asked by Jon 15 years ago

Add your answer

* Required Field
Verified Author and ReplyVerified Reply- PexSupply Staff

Yes, you need part number 555-050RP.

Was this review helpful to you?
×

Video