Back Mount Dual Scale Pressure Gauge, 2.5‘’, -30 HG-160 PSI

Product Code 3967K51-15465

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Measures: Pressure, Temperature, Vacuum
For Use With: Air, Ammonia, Refrigerant
Display Type: Dial
Dial Type: Dry
Dial Diameter    2 1/2"
Pipe Size    1/4
Scale Type    Dual
Scale    psi, in. of Hg, Fahrenheit
Environment Temperature Range    -40° to 200° F
Process Temperature Range    0° to 250° F
Connection Type    Pipe
Pipe Connection Type    Threaded
Thread Type    NPT
Gender    Male
Case Material    304 Stainless Steel
Connection Material    316 Stainless Steel
Lens Material    Polycarbonate Plastic
Accuracy    ±1.6%
Accuracy Scale    Full Scale
Accuracy Grade    B
Connection Location    Bottom
Graduation Marks    
psi    5
in. of Hg    5
Numeric Increments    
in. of Hg    30
Vacuum Range    30 to 0 in. of Hg
Often used with chillers and in refrigeration systems, these gauges display the temperature of ammonia relative to the pressure measurement. Also known as compound gauges, these measure both pressure and vacuum.

Local Delivery

We offer delivery services for large orders to customers from Central California all the way to San Diego. Please call our sales team for more information on weekly, bi-weekly, or monthly deliveries and pricing. 626.332.7744

Shipping Time

Our main warehouse is located near Los Angeles, you can use the map below to estimate delivery time. Most orders ship one business day after the order is placed, then the transit days will follow. Below the map you will find exceptions to these rules for certain products.

Some items we sell may be warehoused in Amazon's warehouses across the US. If the item you order happens to be in on of their warehouses it will generally arrive in 3 days. If you need to know about a specific item please feel free to contact us and we'll let you know.

Larger and heavier items have to be shipped via LTL Freight. LTL shipments tend to take longer to arrive, but they have the benefit of being much safer for heavy and delicate items. If your order has to be shipped by LTL Freight we will contact you to find out if the delivery address is a residential or commercial address, and whether a loading dock or forklift is available. The freight company will call you to arrange a delivery appointment, usually a day before.


Shipping Costs

The cost of shipping varies based on where you live, how much the order weighs, and the value of the order. We've outline our shipping guidelines below:


To Contiguous US:

  • Orders over $100 ship free
  • Orders $99.99 and under are a $10 flat fee


To Alaska, Hawaii, and other US Territories:

 Cost will be calculated by weight at time of checkout.



To Other Countries:

We currently only offer shipping to addresses within the US. However, you can utilize our shipping partner Shipito to forward the package to you. View Details Here

Back Mount Dual Scale Pressure Gauge, 2.5‘’, -30 HG-160 PSI

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