Solvent Weld Demountable Union Connector, 43mm ID / 50mm OD (1.5" Pipe Fitting)
Solvent Weld Demountable Union Connector, 43mm ID / 50mm OD (1.5" Pipe Fitting)
Couldn't load pickup availability
Frequently Asked Questions
What's the difference between the ID and OD measurements on this union?
What's the difference between the ID and OD measurements on this union?
ID (43mm) is measured across the inside of the pipe bore, and OD (50mm) is measured across the outside of the pipe wall. Both describe the same 1.5 inch nominal pipe size, so check which measurement matches your own pipe or fittings.
What pipe material does this union work with?
What pipe material does this union work with?
It solvent welds onto PVC or CPVC pipe at both ends.
How many do I need to make a component removable?
How many do I need to make a component removable?
Fit one on each side of the pump, valve or other part you want to access, so you can unscrew the centre section and lift that part out without disturbing the rest of the pipework.
What can this union be used for?
What can this union be used for?
It suits plumbing, koi pond, irrigation, and industrial pipe systems where you need to open up a section for maintenance, inspection, or replacement.
A solvent weld union for PVC or CPVC pipework, suited to koi pond, irrigation, and general plumbing runs where you may need to open a section up again later. Its centre unscrews to give you a permanent access point, letting you remove or replace a length of pipe or an inline component without cutting into the rest of the system.
Overview
A solvent weld demountable union whose centre section unscrews, which allows you to access a length of pipe, a pump, or another inline component without cutting into the surrounding pipework. That's the difference from a standard solvent weld coupling, which becomes permanent once welded.
It suits koi pond, irrigation, and general PVC or CPVC pipework where you're likely to need access again, for servicing, replacement, or an upgrade. Fit two of these either side of a component and you can unscrew the centre section, lift that part out, and reconnect once you're done, without disturbing the rest of the run.
What you get: one solvent weld demountable union connector.
Key benefits
Both ends solvent weld onto PVC or CPVC pipe for a secure joint on installation. Once fitted, the union becomes a built-in access point you can return to, rather than cutting the pipe out each time something needs attention. The body is made from corrosion-resistant material, suited to ongoing exposure in pond and outdoor plumbing runs.
### Choosing your size This fitting is listed under two measurements, one taken across the inside of the pipe and one across the outside. Check which measurement matches your existing pipe or fittings before ordering, as only one size is currently available.
| Specification | Detail |
|---|---|
| Nominal size | 1.5 inch |
| Internal diameter (ID) | 43mm |
| Outside diameter (OD) | 50mm |
| Connection type | Solvent weld (both ends) |
| Compatible pipe material | PVC or CPVC |
| Design | Demountable union, centre section unscrews |
Welcome to AquaticsHub. We are committed to delivering your orders quickly, safely, and reliably across the United Kingdom.
Order Processing
- All orders are processed within 1–3 business days.
- Orders placed on weekends or public holidays will be processed the next business day.
- Depending on product availability and supplier location, some items may ship separately.
Shipping Locations
- We currently ship only within the United Kingdom.
- At this time, we do not offer international shipping.
Delivery Times
- Standard Delivery: 3–7 business days
- Express Delivery (if available): 1–3 business days
- Delivery times may vary slightly depending on the supplier and the courier service used.
Shipping Costs
- Shipping fees are calculated at checkout based on product weight, size, and supplier location.
- Free shipping may be available for qualifying orders.
- Any applicable shipping promotions will be clearly displayed at checkout.
Multiple Suppliers & Shipments
- As we work with multiple trusted suppliers, your order may arrive in separate packages.
- You will receive a tracking number for each shipment.
Tracking & Notifications
- Once your order is shipped, you’ll receive a confirmation email with tracking information.
- You can track your shipment directly through the courier’s website or via your order confirmation page.
Delays & Delivery Issues
- While we strive to deliver all orders on time, unexpected delays can occasionally occur due to courier or stock issues.
- If your order is delayed or hasn’t arrived as expected, please contact us at info@aquaticshub.co.uk.
Lost or Damaged Parcels
- If your order is lost or arrives damaged, contact us immediately.
- We will work with our suppliers and couriers to resolve the issue as quickly as possible.
Contact Us
For any shipping-related questions or concerns, please email us at info@aquaticshub.co.uk.
Flexible payment options are available at checkout.
You can choose to pay in full or spread the cost using PayPal Pay Later or Shop Pay, depending on eligibility.
