TACO Union: 3/4 in, 110-557, 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, including a tail piece and an EPDM gasket. It is compatible with manufacturer model number 003-BC4-PNP and carries manufacturer part number…
SKU 3G-OTH-81244
Also listed as: 110557 · 110 557
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The TACO Union: 3/4 in is a bronze union with a 3/4 in sweat connection, including a tail piece and an EPDM gasket. It is compatible with manufacturer model number 003-BC4-PNP and carries manufacturer part number 110-557.
Frequently Asked Questions
What is the TACO 110-557 union used for?
The TACO 110-557 union connects and disconnects piping in hydronic heating and cooling systems. Its bronze body resists corrosion, and the EPDM gasket provides a reliable seal in water and glycol applications. It is commonly used with circulator pumps like the TACO 003-BC4-PNP.
What are the specifications of the TACO 110-557 union?
The TACO 110-557 union has a 3/4 in sweat connection, a bronze body, and an EPDM gasket. It includes a tail piece and is compatible with TACO model 003-BC4-PNP. The manufacturer part number is 110-557, and it also cross-references part numbers 003-BC4-PNP and 006-BC7-IFC.
Where to buy the TACO 110-557 union worldwide?
3G Electric supplies the TACO 110-557 union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine TACO parts and provide reliable support for your hydronic system needs.
How to install the TACO 110-557 union?
Install the TACO 110-557 union by soldering the sweat ends onto clean, fluxed copper pipe. Ensure the EPDM gasket is properly seated between the union halves before tightening the nut. Avoid overheating the bronze body during soldering to prevent damage. Always follow local plumbing codes.
Used in
Common applications for TACOTACO 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.
