Live Chat Support
    Free Shipping On $75+
  • FREE Shipping On $75+
  • 14-Day Low Price Guarantee
  • Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $75
Standard ground shipping (1-7 business days) starts at a low $4.99 and most orders over $75 ship FREE. Learn More
If you find a product we sell for a lower price at another online store, we will match their price to ensure you always pay the lowest amount when you shop with us. Learn More
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
Home » Saltwater Aquarium Supplies  » Reverse Osmosis  » Accessories  » Pressure Gauges  »  Pressure Gauge Only: 1/8 inch NPT
Pressure Gauge Only: 1/8 inch NPT

Pressure Gauge Only: 1/8 inch NPT

Average Rating 5 4
Write A Review
Product Review
We value your opinion & experience
Thank you for taking the time to review our products!

This is a Product Review for: Pressure Gauge Only: 1/8 inch NPT
Name to display on the review:
Location (ex: Anaheim, CA):
Your experience level:
How would you rate this product?
Review Title:
Write your review:
(Please focus on product quality and performance)
LOW STOCK ALERT: Only 2 left—order now!
In Stock: Buy now and your order will ship the next business day
Item #:
MSRP: $19.99
You Save: $5.00 (25%)
Notify Me
Just enter your email address below and we'll let you know when the product you are looking for becomes available!

Item Code:
Your Email:
Add to Cart or Notify Me
This item is temporarily unavailable but will be back in stock soon.

Item #
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.
Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

+ Add to Wishlist
Add to Wishlist
Select Wish List:
Comments (up to 200 characters):
Quantity Desired:
Quantity Received:
FREE Shipping Promo
MarineDepot.com offers FREE standard ground shipping via UPS on orders of $75 or more for orders containing non-overweight or oversize items (orders which do not qualify for our FREE shipping promotion will still be shipped at a discounted rate).

Terms and Exclusions:
  • Offer valid only on orders shipping within the contiguous United States. Orders shipping to Alaska, Hawaii, Puerto Rico, Guam or other US Territories do not qualify for this promotion.

  • This promotion does not apply to items requiring expedited shipping, such as refrigerated products, frozen products or live rock.

  • MarineDepot.com's FREE shipping promotion does not include products sent in oversized or particularly heavy boxes. This may include but is not limited to aquariums, canopies, chillers, external water pumps, metal halide magnetic ballasts, stands and substrate/sand. These items may be subject to additional shipping handling charges. Should shipping surcharges apply, they will be noted on individual product pages and / or displayed during check-out. We will, however, pay a portion of the shipping charges for these orders.

  • Shipping surcharges, such as special handling are NOT covered under the MarineDepot.com FREE shipping promotion.

  • Shipping charges for returned merchandise is non-refundable. Please read MarineDepot.com's Return PolicyPolicy for more information.

  • Price matched (Low Price Guarantee) or discounted orders do NOT qualify for our free shipping promotion.
If you find a product we sell for a lower price at another online store, we will match their price to ensure you always pay the lowest amount when you shop with us.

Enter the price, shipping cost and website address where you found the lower price. Then click the "Add to Cart" button. We will review the lower price while processing your order and make any necessary reductions before your order ships. Some restrictions apply. See Terms & Conditions.
Shipping Cost*
Competitor's Website*
*Required information
Marine Depot 60-day Returns
At Marine Depot, we stand behind our products. That is why we offer a 60-day return period: one of the best in the industry! Learn More

Pressure Gauge Only: 1/8 inch NPT Information

Pressure guage for easy troubleshooting. 1/8" NPT

**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Price Guarantee, please be certain the product you want to price match is the same make and model.

Manufacturer Info

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.

Pressure Gauge Only: 1/8 inch NPT Reviews

Average Rating
(4 reviews)
Sort Reviews By:

Spain Vs China

Reviewers Rating Great

Posted: 10/8/2015 from FREMONT, CA UNITED STATES
4.0 5
Experience Level: Expert

Comments: Good pressure gauge... works as described....would like to have had high pressure markings on gauge like the one that came with my Captive Purity RO system originally ...last point.. product picture is a gauge manufactured in Spain."Highest Quality"....received a Hypro gauge from China ??? Other than that all is good

Did you find this review helpful? Yes No


Reviewers Rating Excellent!

Posted: 8/25/2014 from HOUSTON, TX UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: It's great item

Did you find this review helpful? Yes No

So far so good

Reviewers Rating Excellent!

Posted: 10/11/2013 from SAN ANTONIO, TX UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: I used this to replace my original spectrapure that I broke by mistake, and this gauge fit the bill perfectly. I have been using it for about a week and has been working great.

Did you find this review helpful? Yes No


Reviewers Rating Excellent!

Posted: 11/14/2008 from SIOUX FALLS, SD UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: The pressure gages were everything I hoped for. Quality built, easy to read and very functional

2 of 2 People found this review helpful, did you? Yes No

WIN A $370 OF SUPPLEMENTS! Sign up for hot deals, helpful videos + a chance to win a year’s worth of AquaMaxx supplements!