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TACO Union: 3/4 in, 110-559, Compatible with Part No. 003-BC4-PNP/006-BC7-IFC - Unions
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TACO Union: 3/4 in, 110-559, Compatible with Part No. 003-BC4-PNP/006-BC7-IFC

The TACO Union: 3/4 in is a bronze union with a 3/4 in sweat connection, designed for use with the TACO 006-BC7-IFC circulator model. It includes an EPDM gasket and is identified by manufacturer part number 110-559.

SKU 3G-OTH-81256

Also listed as: 110559 · 110 559

Brand
TACO
Item
Union: 3/4 in, 110-559, Compatible with Part No. 003-BC4-PNP/006-BC7-IFC
Category
Unions
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TACO
Manufacturer Part Number
110-559
Type
110-559, Compatible with Part No. 33HM88/4JB21, Union
Sweat
3/4 in
Includes
Gasket
Body Material
Bronze
Gasket Material
EPDM
Compatible with Manufacturer Model Number
006-BC7-IFC

Technical Documents

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TACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TACO Union: 3/4 in is a bronze union with a 3/4 in sweat connection, designed for use with the TACO 006-BC7-IFC circulator model. It includes an EPDM gasket and is identified by manufacturer part number 110-559.

Frequently Asked Questions

What is the TACO 110-559 union used for?

The TACO 110-559 bronze union connects a 3/4 in sweat pipe to a TACO 006-BC7-IFC circulator pump in hydronic heating systems. It provides a reliable, leak-free joint for maintenance or replacement, using an included EPDM gasket for sealing.

What are the specifications of the TACO 110-559 union?

The TACO 110-559 union has a 3/4 in sweat connection, a bronze body, and an EPDM gasket. It is compatible with the TACO 006-BC7-IFC circulator model and also matches Part No. 003-BC4-PNP/006-BC7-IFC. The manufacturer part number is 110-559.

Where to buy the TACO 110-559 union worldwide?

3G Electric supplies the TACO 110-559 bronze union worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine TACO part for your hydronic system.

How to install the TACO 110-559 union?

To install the TACO 110-559 union, sweat the 3/4 in ends onto copper pipe, ensuring the included EPDM gasket is seated properly between the union halves. Tighten the union nut securely by hand, then use wrenches for final torque—avoid overtightening to prevent gasket damage.

Used in

Common applications for TACO
Hydronic heating systems — TACO 007 series circulator pumps for residential boiler water circulation.
Commercial HVAC — TACO 2400-60-3P inline pump for chilled water loops in large buildings.
Industrial process cooling — TACO 1630EAE10132096 pump for high-flow (110 gpm) cooling applications.
Zone control in radiant floor heating — TACO V075T2G2ZA024Q4A2 zone valve for regulating flow to individual zones.
Pump replacement and maintenance — TACO 007-045RP cartridge assembly for servicing existing 007 series pumps.
Piping connections in hydronic systems — TACO 110-251F-1 flange for joining pumps to pipework.

TACO Products

3G Electric supplies TACO unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
T union M/M/M 3/8"
DSZH
T union M/M/M 3/8"
Dudgeon/NPT union 3/8-3/8
DSZH
Dudgeon/NPT union 3/8-3/8
T union M/M/M 1/2"
DSZH
T union M/M/M 1/2"
Dudgeon/NPT union 3/4-3/4
DSZH
Dudgeon/NPT union 3/4-3/4
Union NPT/Dudgeon 1/4-1/8
DSZH
Union NPT/Dudgeon 1/4-1/8
Dudgeon/NPT union 3/8-1/2
DSZH
Dudgeon/NPT union 3/8-1/2

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