Description

The Everpure QL3B Filter Head Oman (EV9259-24) is the mounting head half of an Everpure quick-change filtration system. It carries a built-in water shut-off valve and ships with a mounting bracket and screws, so you can install it on a wall or inside an equipment cabinet and change cartridges afterwards without breaking any plumbing joints. UV Water Systems stocks genuine Everpure heads in Muscat.
What the Everpure QL3B Filter Head Oman does
In an Everpure system the head is permanent and the cartridge is the consumable. The head holds the plumbing connections, the shut-off and the bracket. When a cartridge reaches capacity, you close the shut-off, twist the old cartridge out, twist a new one in and reopen. On a busy counter in Muscat that is a two minute job rather than a plumbing call-out.
Buying the head separately makes sense in two situations: you are building a new installation from parts, or you are replacing a head that has been damaged or has a leaking valve while keeping the existing cartridge stock.
Compatible Everpure cartridges
- 4C, 4CB5, 4CB5-S, 4CB5-K, 4FC-L
- 2CB5, 2CB5-S, 2CB5-K
- 4K, 4K Plus, 2K Plus
- BH, H-50, H-54, H-104, H-200, H-300, OCS
- S-104, S-200, OW-200L, OW2-Plus, OW4-Plus
Technical specifications
| Model | Everpure QL3B Head Assembly |
| Part Number | EV9259-24 |
| Brand | Everpure by Pentair |
| Connections | 3/8 inch FPT inlet and outlet (fittings not included) |
| Shut-Off Valve | Built in |
| Dimensions | 108 x 83 x 64 mm (4.25 x 3.25 x 2.5 inches) |
| Depth Required | Approximately 89 mm (3.5 inches) |
| Weight | 0.31 kg (0.686 lbs) |
| Supplied With | Mounting bracket and screws |
| Cross Reference | Nu-Calgon QL3B, Cuno VH3-NPT |
Applications in Muscat and across Oman
- Cafe and restaurant coffee and espresso installations
- Vending machines and water dispensers in offices and schools
- Fuel station convenience stores and coffee counters
- Under-counter drinking water points in villas and apartments
- Replacement of damaged or leaking heads on existing Everpure systems
Installation, replacement and warranty
Fix the bracket to a wall or cabinet panel with enough clearance below for the cartridge to drop out, then connect 3/8 inch FPT inlet and outlet lines. Fittings and flow control are sold separately, so tell us your tubing size when ordering and we will supply matching connectors. Fit the cartridge, open the shut-off and flush before putting the equipment into service.
The head itself is not a consumable and will run for years. Only the cartridge is replaced on schedule. Genuine Everpure product carries 12 months warranty against manufacturing defects.
Why buy from UV Water Systems
UV Water Systems has supplied and serviced water treatment equipment in Oman for more than 14 years and holds ISO 9001:2015 certification. We stock Everpure and Pentair heads, cartridges and fittings locally, so a full system can be assembled and installed the same week. Our technicians cover Muscat and the wider Sultanate.
Call +968 9763 7786, browse the range in our online shop, or pair this head with the Everpure EC110 sediment prefilter upstream. Manufacturer documentation is published by Pentair Everpure.
Frequently asked questions
Does the head include a cartridge?
No. The QL3B is the head assembly only. Order the cartridge separately, for example the 4C for cold drinking water or the 4H for hot beverage equipment.
Are fittings included?
No. The connections are 3/8 inch FPT and you will need two connectors sized to your tubing. We supply these on request.
Can I reuse my existing cartridges?
Yes, if they are from the QL3 compatible list above. That covers most Everpure cartridges in common use.
Do you deliver outside Muscat?
Yes, we deliver across Oman including Sohar, Nizwa, Sur and Salalah, with installation available.




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