<![CDATA[Submersible Systems, Inc: ]]> https://www.ssishoppingcart.com Wed, 7 Oct 2026 00:00:00 EST en-us <![CDATA[Dial Gauge for Spare Air & HEED 175/300]]> https://www.ssishoppingcart.com/Dial-Gauge-for-Spare-Air-HEED-175300_p_8.html Wed, 7 Oct 2026 00:00:00 EST Updated Dial Gauge design introduced in 2019!30% Bigger, easier to read faceEasier to read Neon Yellow indicatorShows pressure in both PSI & BARGauge will always display in correct orientation (no longer random threaded)Made in USAUpgrade your Sp...[Read More]
Our Price: $59.99 On Sale [Add to Cart]


]]> https://www.ssishoppingcart.com/Dial-Gauge-for-Spare-Air-HEED-175300_p_8.html Updated Dial Gauge design introduced in 2019!30% Bigger, easier to read faceEasier to read Neon Yellow indicatorShows pressure in both PSI & BARGauge will always display in correct orientation (no longer random threaded)Made in USAUpgrade your Sp...[Read More]
Our Price: $59.99 On Sale [Add to Cart]


]]> Updated Dial Gauge design introduced in 2019!
  • 30% Bigger, easier to read face
  • Easier to read Neon Yellow indicator
  • Shows pressure in both PSI & BAR
  • Gauge will always display in correct orientation (no longer random threaded)
  • Made in USA
Upgrade your Spare Air or HEED (series 175 & 300):
  • Takes place of the existing Pin Style pressure indicator or older Dial Gauges.
  • Easy to install - no special tools required!
  • Simply unscrew the Pin Style pressure indicator from your Regulator, screw in the Dial Gauge and you're ready to go!
  • Please Note – other pony dial gauge pressure indicators available will not work on the Spare Air. The only authorized Dial Gauge guaranteed to work on Spare Air/HEED is this model available by us or our dealers.
  • Works with single stage models only.
  • Not compatible with Spare Air Xtreme 6, EasyDive or HEED 200 series - see alternate listing.

Buy life support equipment made by professionals! Submersible Systems, original inventors and manufacturers of the patented Spare Air, have been in business for over 40 years and sold over 400,000 units. Spare Air & HEED units are made in the USA.

]]> <![CDATA[Mouthpiece and Tie Wrap Combo]]> https://www.ssishoppingcart.com/Mouthpiece-and-Tie-Wrap-Combo_p_20.html Wed, 7 Oct 2026 00:00:00 EST Replace your Mouthpiece with this SCUBA regulator silicone mouthpiece. Includes Tie Wrap.Made in USA with FDA approved materials. ...[Read More]
Our Price: $18.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Mouthpiece-and-Tie-Wrap-Combo_p_20.html Replace your Mouthpiece with this SCUBA regulator silicone mouthpiece. Includes Tie Wrap.Made in USA with FDA approved materials. ...[Read More]
Our Price: $18.00 [Add to Cart]


]]> Replace your Mouthpiece with this SCUBA regulator silicone mouthpiece. Includes Tie Wrap.

Made in USA with FDA approved materials.

]]> <![CDATA[Standard Pressure Indicator]]> https://www.ssishoppingcart.com/Standard-Pressure-Indicator_p_21.html Wed, 7 Oct 2026 00:00:00 EST The standard Spare Air Pin Style Pressure Indicator shows when your Spare Air is ready for use. The pressure indicator pin will extend flush with the top of the pressure indicator showing that the unit is full. If pressure indicator pin is less than ...[Read More]
Our Price: $32.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Standard-Pressure-Indicator_p_21.html The standard Spare Air Pin Style Pressure Indicator shows when your Spare Air is ready for use. The pressure indicator pin will extend flush with the top of the pressure indicator showing that the unit is full. If pressure indicator pin is less than ...[Read More]
Our Price: $32.00 [Add to Cart]


]]>

The standard Spare Air Pin Style Pressure Indicator shows when your Spare Air is ready for use. The pressure indicator pin will extend flush with the top of the pressure indicator showing that the unit is full. If pressure indicator pin is less than flush Spare Air is not full and needs to be filled to 3000 psi for maximum safety and number of breaths.

  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Refill Port Cap]]> https://www.ssishoppingcart.com/Refill-Port-Cap_p_22.html Wed, 7 Oct 2026 00:00:00 EST The plastic Refill Port Cap screws onto the Check Valve to protect the Spare Air when diving or storing. The Cap can be quickly unscrewed for filling your Spare Air unit by compressor or from a filled SCUBA tank.If regulator is not working properly o...[Read More]
Our Price: $9.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Refill-Port-Cap_p_22.html The plastic Refill Port Cap screws onto the Check Valve to protect the Spare Air when diving or storing. The Cap can be quickly unscrewed for filling your Spare Air unit by compressor or from a filled SCUBA tank.If regulator is not working properly o...[Read More]
Our Price: $9.00 [Add to Cart]


]]>
The plastic Refill Port Cap screws onto the Check Valve to protect the Spare Air when diving or storing. The Cap can be quickly unscrewed for filling your Spare Air unit by compressor or from a filled SCUBA tank.

  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Mouthpiece Cover (strap sold separately)]]> https://www.ssishoppingcart.com/Mouthpiece-Cover-strap-sold-separately_p_26.html Wed, 7 Oct 2026 00:00:00 EST Spare Air yellow Mouthpiece Cover Black strap sold separately ...[Read More]
Our Price: $9.99 [Add to Cart]


]]> https://www.ssishoppingcart.com/Mouthpiece-Cover-strap-sold-separately_p_26.html Spare Air yellow Mouthpiece Cover Black strap sold separately ...[Read More]
Our Price: $9.99 [Add to Cart]


]]>
  • Spare Air yellow Mouthpiece Cover
  • Black strap sold separately
]]> <![CDATA[Mouthpiece Cover Strap (cover sold separately)]]> https://www.ssishoppingcart.com/Mouthpiece-Cover-Strap-cover-sold-separately_p_27.html Wed, 7 Oct 2026 00:00:00 EST Spare Air black velcro Mouthpiece Cover Strap Yellow mouthpiece cover sold separately ...[Read More]
Our Price: $8.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Mouthpiece-Cover-Strap-cover-sold-separately_p_27.html Spare Air black velcro Mouthpiece Cover Strap Yellow mouthpiece cover sold separately ...[Read More]
Our Price: $8.00 [Add to Cart]


]]>
  • Spare Air black velcro Mouthpiece Cover Strap
  • Yellow mouthpiece cover sold separately
]]> <![CDATA[025 Exhaust Disc/Tank Washer/Tank O-ring COMBO ]]> https://www.ssishoppingcart.com/025-Exhaust-DiscTank-WasherTank-O-ring-COMBO-_p_49.html Wed, 7 Oct 2026 00:00:00 EST The 025 Combo Set contains (1) large Exhaust Disc, (1) small Exhaust Disc, (1) Tank Washer, and (3) Tank O-rings. All these parts are required in order to properly attach the Regulator to the Cylinder. Includes two extra Tank O-rings for future use.I...[Read More]
Our Price: $16.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/025-Exhaust-DiscTank-WasherTank-O-ring-COMBO-_p_49.html The 025 Combo Set contains (1) large Exhaust Disc, (1) small Exhaust Disc, (1) Tank Washer, and (3) Tank O-rings. All these parts are required in order to properly attach the Regulator to the Cylinder. Includes two extra Tank O-rings for future use.I...[Read More]
Our Price: $16.00 [Add to Cart]


]]>
  • The 025 Combo Set contains (1) large Exhaust Disc, (1) small Exhaust Disc, (1) Tank Washer, and (3) Tank O-rings.
  • All these parts are required in order to properly attach the Regulator to the Cylinder.
  • Includes two extra Tank O-rings for future use.
  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Refill Port (Check Valve)]]> https://www.ssishoppingcart.com/Refill-Port-Check-Valve_p_54.html Wed, 7 Oct 2026 00:00:00 EST Replacement Refill Port Assembly includes the Check Valve and all internal components (stem and spring). Black Cap sold separately.If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We o...[Read More]
Our Price: $30.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Refill-Port-Check-Valve_p_54.html Replacement Refill Port Assembly includes the Check Valve and all internal components (stem and spring). Black Cap sold separately.If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We o...[Read More]
Our Price: $30.00 [Add to Cart]


]]>
Replacement Refill Port Assembly includes the Check Valve and all internal components (stem and spring). Black Cap sold separately.

  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Spare Air CYLINDER ONLY 3 cu.ft.]]> https://www.ssishoppingcart.com/Spare-Air-CYLINDER-ONLY-3-cuft_p_57.html Wed, 7 Oct 2026 00:00:00 EST The Spare Air 3 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings. Cylinder TypeDOT3AL 3000 or CE MarkedService Pressure3000 psi / 207 barCy...[Read More]
Our Price: $120.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Spare-Air-CYLINDER-ONLY-3-cuft_p_57.html The Spare Air 3 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings. Cylinder TypeDOT3AL 3000 or CE MarkedService Pressure3000 psi / 207 barCy...[Read More]
Our Price: $120.00 [Add to Cart]


]]> The Spare Air 3 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings.

Cylinder TypeDOT3AL 3000 or CE Marked
Service Pressure3000 psi / 207 bar
Cylinder Capacity
3 cu.ft. / 85 liters / 30 cu.in.
Diameter2.5"
Length11"
Empty Weight1 lb. 6.8 oz
Thread Size
5/8" - 18 UNF 2B



]]> <![CDATA[Holster Quick Release Strap]]> https://www.ssishoppingcart.com/Holster-Quick-Release-Strap_p_63.html Wed, 7 Oct 2026 00:00:00 EST Includes 1 replacement quick release strap for the Spare Air Holster. For best results, Holster should be mounted to BC using 2 straps as shown in picture. ...[Read More]
Our Price: $6.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Holster-Quick-Release-Strap_p_63.html Includes 1 replacement quick release strap for the Spare Air Holster. For best results, Holster should be mounted to BC using 2 straps as shown in picture. ...[Read More]
Our Price: $6.00 [Add to Cart]


]]>
Includes 1 replacement quick release strap for the Spare Air Holster.
For best results, Holster should be mounted to BC using 2 straps as shown in picture.
]]> <![CDATA[Spare Air CYLINDER ONLY, 6 cu.ft. ]]> https://www.ssishoppingcart.com/Spare-Air-CYLINDER-ONLY-6-cuft-_p_100.html Wed, 7 Oct 2026 00:00:00 EST The NEW Spare Air 6 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings. Cylinder TypeDOT3AL AluminumService Pressure3000 psi / 207 barCylinde...[Read More]
Our Price: $140.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Spare-Air-CYLINDER-ONLY-6-cuft-_p_100.html The NEW Spare Air 6 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings. Cylinder TypeDOT3AL AluminumService Pressure3000 psi / 207 barCylinde...[Read More]
Our Price: $140.00 [Add to Cart]


]]> The NEW Spare Air 6 cu.ft. capacity replacement Cylinder is available in Black Anodized aluminum. This is a replacement cylinder only and DOES NOT INCLUDE the regulator or O-rings.

Cylinder TypeDOT3AL Aluminum
Service Pressure3000 psi / 207 bar
Cylinder Capacity
6 cu.ft. / 170 liters / 53 cu.in.
Diameter3.2"
Length11"
Empty Weight2.6 lbs.
Thread Size5/8" - 18 UNF 2B

* DOT/TC dual marked cylinder, cylinder is NOT CE or Australia marked


]]> <![CDATA[Tank O-ring Set]]> https://www.ssishoppingcart.com/Tank-O-ring-Set_p_103.html Wed, 7 Oct 2026 00:00:00 EST Replacement tank o-rings. Set of 3.It is recommended to replace the tank o-ring after product has been disassembled and reassembled 3 times, or o-ring shows signs of wear or air leakage. Compatible with all Spare Air & HEED models (not EasyDive)....[Read More]
Our Price: $7.99 [Add to Cart]


]]> https://www.ssishoppingcart.com/Tank-O-ring-Set_p_103.html Replacement tank o-rings. Set of 3.It is recommended to replace the tank o-ring after product has been disassembled and reassembled 3 times, or o-ring shows signs of wear or air leakage. Compatible with all Spare Air & HEED models (not EasyDive)....[Read More]
Our Price: $7.99 [Add to Cart]


]]>
  • Replacement tank o-rings. Set of 3.
  • It is recommended to replace the tank o-ring after product has been disassembled and reassembled 3 times, or o-ring shows signs of wear or air leakage.
  • Compatible with all Spare Air & HEED models (not EasyDive).
  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Silicone Grease Travel Size]]> https://www.ssishoppingcart.com/Silicone-Grease-Travel-Size_p_104.html Wed, 7 Oct 2026 00:00:00 EST Silicone Grease: .25 oz travel sizeA must have in your dive kit! Food grade silicone grease should be used to lubricate the threads on the Spare Air / HEED regulator when product has been disassembled for flying or prior to filling. Use on: Check Val...[Read More]
Our Price: $5.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Silicone-Grease-Travel-Size_p_104.html Silicone Grease: .25 oz travel sizeA must have in your dive kit! Food grade silicone grease should be used to lubricate the threads on the Spare Air / HEED regulator when product has been disassembled for flying or prior to filling. Use on: Check Val...[Read More]
Our Price: $5.00 [Add to Cart]


]]>
Silicone Grease: .25 oz travel size
A must have in your dive kit!
Food grade silicone grease should be used to lubricate the threads on the Spare Air / HEED regulator when product has been disassembled for flying or prior to filling. Use on:
Check Valve threads
Pressure Indicator threads
Regulator/cylinder threads
]]> <![CDATA[Common O-ring Set ]]> https://www.ssishoppingcart.com/Common-O-ring-Set-_p_111.html Wed, 7 Oct 2026 00:00:00 EST Replacement o-rings for Check Valve Refill Port on all models - Spare Air, EasyDive & HEED.Replacement o-rings for Pressure Indicator (Pin style or Dial Gauge) for SINGLE STAGE Spare Air and HEED (175 & 300 series) HOSELESS models. NOT for us...[Read More]
Our Price: $7.99 [Add to Cart]


]]> https://www.ssishoppingcart.com/Common-O-ring-Set-_p_111.html Replacement o-rings for Check Valve Refill Port on all models - Spare Air, EasyDive & HEED.Replacement o-rings for Pressure Indicator (Pin style or Dial Gauge) for SINGLE STAGE Spare Air and HEED (175 & 300 series) HOSELESS models. NOT for us...[Read More]
Our Price: $7.99 [Add to Cart]


]]>
  • Replacement o-rings for Check Valve Refill Port on all models - Spare Air, EasyDive & HEED.
  • Replacement o-rings for Pressure Indicator (Pin style or Dial Gauge) for SINGLE STAGE Spare Air and HEED (175 & 300 series) HOSELESS models.
  • NOT for use on Dial Gauge on Spare Air Xtreme 6, EasyDive, HEED 200 series & HEED 4500 series Hose Models. See alternate listing.
  • Set of 3.
  • It is recommended to replace when o-ring shows signs of wear or air leakage.
  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]> <![CDATA[Silicone Spray (to lubricate threads)]]> https://www.ssishoppingcart.com/Silicone-Spray-to-lubricate-threads_p_140.html Wed, 7 Oct 2026 00:00:00 EST CRCFood Grade Silicone Lubricant10 oz / 1 pkMulti-purpose silicone spray for keeping Spare Air / HEED product Check Valve Refill Port threads lubricated. Especially useful for users with multiple units who refill the product frequently. Also useful f...[Read More]
Our Price: $17.99 [Add to Cart]


]]> https://www.ssishoppingcart.com/Silicone-Spray-to-lubricate-threads_p_140.html CRCFood Grade Silicone Lubricant10 oz / 1 pkMulti-purpose silicone spray for keeping Spare Air / HEED product Check Valve Refill Port threads lubricated. Especially useful for users with multiple units who refill the product frequently. Also useful f...[Read More]
Our Price: $17.99 [Add to Cart]


]]> CRC

Food Grade Silicone Lubricant

10 oz / 1 pk

Multi-purpose silicone spray for keeping Spare Air / HEED product Check Valve Refill Port threads lubricated. Especially useful for users with multiple units who refill the product frequently.

Also useful for lubricating regulator threads when it has been removed for travel or repair.

Forms a colorless, odorless, non-staining film. Eliminates binding and sticking in most metal to non-metal applications. Meets FDA Regulation CFR 21-178.3570.

Harmless to most rubbers and plastics

Wide effective temperature range -40 to 400 degrees Fahrenheit

Excellent release agent and lubricant for all surfaces

* NOT AVAILABLE FOR INTERNATIONAL SHIPPING

]]> <![CDATA[Bleed Screw for 910C (Scuba Tank Refill Adapter)]]> https://www.ssishoppingcart.com/Bleed-Screw-for-910C-Scuba-Tank-Refill-Adapter_p_153.html Wed, 7 Oct 2026 00:00:00 EST Replacement Bleed Screw for 910C Scuba Tank Refill AdapterIncludes Travel size Silicone Grease (a $5.00 value)Buy life support equipment made by professionals! Submersible Systems, original inventors and manufacturers of the patented Spare Air, have ...[Read More]
Our Price: $19.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/Bleed-Screw-for-910C-Scuba-Tank-Refill-Adapter_p_153.html Replacement Bleed Screw for 910C Scuba Tank Refill AdapterIncludes Travel size Silicone Grease (a $5.00 value)Buy life support equipment made by professionals! Submersible Systems, original inventors and manufacturers of the patented Spare Air, have ...[Read More]
Our Price: $19.00 [Add to Cart]


]]> Replacement Bleed Screw for 910C Scuba Tank Refill Adapter

Includes Travel size Silicone Grease (a $5.00 value)

Buy life support equipment made by professionals! Submersible Systems, original inventors and manufacturers of the patented Spare Air, have been in business for over 40 years and sold over 400,000 units. Spare Air & HEED units are made in the USA.

]]> <![CDATA[Diaphragm/Purge Button/Rings Combo]]> https://www.ssishoppingcart.com/DiaphragmPurge-ButtonRings-Combo_p_163.html Wed, 7 Oct 2026 00:00:00 EST The 006 Combo Set contains (1) Diaphragm, (1) Purge Button, (1) Inner Ring, and (1) Outer Ring. This Combo works for these models:-Spare Air models with a flat top (does not work for models with a raised purge button and metal snap rings) and Heed 3 ...[Read More]
Our Price: $44.00 [Add to Cart]


]]> https://www.ssishoppingcart.com/DiaphragmPurge-ButtonRings-Combo_p_163.html The 006 Combo Set contains (1) Diaphragm, (1) Purge Button, (1) Inner Ring, and (1) Outer Ring. This Combo works for these models:-Spare Air models with a flat top (does not work for models with a raised purge button and metal snap rings) and Heed 3 ...[Read More]
Our Price: $44.00 [Add to Cart]


]]>
  • The 006 Combo Set contains (1) Diaphragm, (1) Purge Button, (1) Inner Ring, and (1) Outer Ring.
  • This Combo works for these models:-Spare Air models with a flat top (does not work for models with a raised purge button and metal snap rings) and Heed 3 model #175 or #300 (does not work for model #200 or #4500)
  • If regulator is not working properly or missing several parts it is recommended to send in for a complete service. We offer a flat fee - click here for details
]]>