£395.00

RRP: £479

Free UK delivery on all orders over £50
  • Compact machined first stage based on the expedition tested Apeks DS4 platform.
  • Large surface area heat exchanger diaphragm clamp helps increase the gas temperature inside the first stage, resulting in improved cold water performance.
  • Compact and lightweight second stage improves comfort and helps reduce jaw fatigue on long duration dives.
  • High performance pneumatically balanced lever operated poppet valve.
  • Large, over moulded self-flushing and controllable purge button.
If you purchase this product you will earn 790 Points! Worth £7.90!
If you purchase this product you will earn 790 Points! Worth £7.90!
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Description

The Apeks XL4 Stage 3 Regulator Set includes the lightweight, coldwater rated over-balanced diaphragm first stage, compact second stage and a matching octopus for a complete regulator set that just needs your choice of pressure gauge / console or transmitter added to get you ready for diving.

The first stage builds upon the traditional Apeks diaphragm first stage using an over-balanced design for deliveries excellent performance. The first stage is environmentally sealed which in itself is great for increased coldwater reliability but the XL4 is also fitted with an over-moulded end cap that further reduces the risk of ice build up. The first stage is fitted with four low pressure ports and one high pressure port.

The second stage and octopus are compact yet high performing. They are fitted with responsive balanced valves, diver adjustable venturi, a compact rubber exhaust tee and Apeks comfo-bite mouthpiece. The octopus is finished with bright yellow front cover highlights, mouthpiece and hose.

Features

1st Stage

Compact machined first stage based on the expedition tested Apeks DS4 platform.
Break through, innovative over-moulded first-stage endcap and environmental diaphragm helps prevent ice build-up that can cause first stage free flow in extreme circumstances. Also protects the first stage from impact damage.
Large surface area heat exchanger diaphragm clamp helps increase the gas temperature inside the first stage, resulting in improved cold water performance.
Unique over-balanced diaphragm design – as the diver descends, the over-balancing feature allows the medium pressure gas in the hose to increase at a faster rate than ambient. This results in superior performance at depth.
2nd Stage

Compact and lightweight second stage improves comfort and helps reduce jaw fatigue on long duration dives.
High performance pneumatically balanced lever operated poppet valve.
Large, over moulded self-flushing and controllable purge button.
Ergonomic Venturi lever is easy to use and locate.
Flexible nylon braided hose has better cold water performance than a traditional rubber hose.
Standard metallic hose connection for interchangeability.
Comfo-bite mouthpiece has a unique bridge that fits across the upper palate and does not require bite pressure to stay in place.
Re-useable mouthpiece clip makes it simple to change mouthpieces in the field.
Durable and flexible rubber exhaust tee provides excellent bubble diversion.

Specifications

Connections Yoke and DIN available
Type of first stage Over-balanced diaphragm design, environmentally sealed
Body Type One piece forged body
Weight
DIN 1st stage – 638g
Yoke 1st stage – 763g
2nd stage – 154g
Number of HP ports 1 (7/16″ UNF)
Number of MP ports 4 (3/8″ UNF)
Environmental Dry Kit Standard
First stage exterior Satin
Coldwater Use Yes
Type of second stage Pneumatically balanced
Opening Effort Control Knob No
Integrated Venturi Lever Yes
Mouthpiece Comfo-bite™
Exhaust tee Standard, one set
Heat Exchanger for freezing resistance Yes
Hose type Braided Flexi-hose
Overall work of breathing (WOB) scores Avg. 0.90 joules/liter
Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.

Video

Returns

Scuba Dive Store always offer an extended returns policy of 30 days – so you can rest assured that if the suit, piece of diving equipment or gift doesn’t suit then just send it back and we will either exchange it or offer a full refund less any postage costs.
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