UPONOR Barbed Fitting Adapter: 3/4 in ID Size, Barbed x Barbed, PEX
The UPONOR Barbed Fitting Adapter (MPN Q4690756) is a 3/4 in ID size, barbed x barbed PEX fitting using an expansion connection method. 3G Electric interprets demand and delivers this genuine industrial component…
SKU 3G-OTH-485727
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Product Description
The UPONOR Barbed Fitting Adapter (MPN Q4690756) is a 3/4 in ID size, barbed x barbed PEX fitting using an expansion connection method. 3G Electric interprets demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter Q4690756 used for?
The UPONOR Barbed Fitting Adapter Q4690756 connects PEX tubing in plumbing and hydronic heating systems. Its 3/4 in ID barbed x barbed design with expansion method creates a secure, leak-resistant joint. 3G Electric supplies this genuine component across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of the UPONOR Barbed Fitting Adapter Q4690756?
The UPONOR Barbed Fitting Adapter Q4690756 has a 3/4 in ID size, barbed x barbed connection type, and uses an expansion PEX connection method. It is a new, genuine UPONOR part designed for PEX tubing systems. 3G Electric sources and delivers this fitting globally.
Where to buy the UPONOR Barbed Fitting Adapter Q4690756 worldwide?
3G Electric supplies the UPONOR Barbed Fitting Adapter Q4690756 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand and deliver this genuine UPONOR component, along with support across 14 departments.
How to install the UPONOR Barbed Fitting Adapter Q4690756?
Install the UPONOR Barbed Fitting Adapter Q4690756 by sliding an expansion ring onto the PEX tube, expanding the tube and ring with an expansion tool, then inserting the barbed fitting. Allow the assembly to contract for a tight seal. Always follow UPONOR's instructions and local plumbing codes. 3G Electric provides sourcing support for this component.
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3G Electric supplies UPONOR expansion rings for barbed tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


![UPONOR Barbed Fitting Adapter: 1 1/4 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691250). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc09dc6ae-9c99-43fd-82c3-e342160d30cb.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690512). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fbd261fc7-cf87-4b6a-8555-e46d2fcc4995.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F62976661-01ea-4781-91ac-5c6a928c6a7a.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F5f76800c-3430-4b84-b948-7bc56e4ebd57.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 3 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4693000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F4b353255-7a29-470e-9876-24d5cdb6e288.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Ff8a0b653-1be7-4f32-850c-c4435833a794.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Ff1a58d44-7fb5-493d-9af3-1819ab063627.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 5/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690625). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fefd0ee0f-20a1-45b7-b07a-eff0ed5afe0d.jpg&w=200)