• New XL4+

    New XL4+

  • 40 Years. One Goal

    40 Years. One Goal

  • Technical Diving by Apeks

    Technical Diving by Apeks

  • Technically Inspired

    Technically Inspired

  • Any Diving Condition

    Any Diving Condition

  • For all Divers

    For all Divers

Apeks Diving Equipment


Sidemount Regulator Kit

As the popularity of sidemount diving continues to grow around the world, Apeks delivers a regulator kit that contains all of the necessary hardware and accessories to complete your breathing set-up, including two award-winning XTX50 regulators.

Kit comprises:

  • 2 XTX50 DIN regulators with 5 port swivel turrets2 ea. custom length MP inflation hoses (one for buoyancy system, one for drysuit)

    • One XTX50 has a 83” / 210cm hose

    • One XTX50 has a 24” / 60cm hose

  • 2 brass pressure gauges with 6 inch hoses (bar)

  • 1 90° elbow fitting

  • 1 bungee necklace

  • 1 stainless steel clip

  • 2 sets of short exhaust ports

  • Regulator bag to hold all

  • Setup illustration, CD manual and quick start guide

Please see the XTX50 page for regulator features and benefits.

The Apeks Sidemount Regulator Kit is the first CE approved sidemount kit specifically for this type of diving.



DIN only

Type of first stage

Over-balanced diaphragm design, environmentally sealed

Body Type

Cylindrical, MP ports mounted on swivel turret

Number of HP ports

2 (7/16" UNF)

Number of MP ports

5 (3/8" UNF)

Environmental Dry Kit


First stage exterior

Chrome over marine brass


Convertible LH or RH

Coldwater Use


Type of second stage

Pneumatically balanced

Opening Effort Control Knob


Integrated Venturi Lever




Exhaust tee

Diver Changeable - comes with 2 sets

Heat Exchanger for freezing resistance


Hose type

Braided Flexi-hose

Overall work of breathing (WOB) scores

Avg. 0.70 joules/liter

Nitrox compatible

Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.

Gauge face

Anti-splinter polycarbonate

Over-pressure relief on back