You have no items to compare.

Pro Analog Tire Inflator/Pressure Pistol Grip Gauge – Large Bore Dual Head Chuck, 15” Hose – 160PSI

Part #: S-578A

UPC: 030937323149

Number of items in this pack: 1 Piece

  • ACCURATE: Liquid gauge measures in PSI (0-160) and Bar (0-11). Meets ANSI/ASME B40.1 standards.
  • WHY LIQUID? Absorbs vibration/pressure spikes, reduces wear, and is better in corrosive environments.
  • EASY HANDLING: Durable/ergonomic grip. Quick fine tuning in case you exceed the target pressure.
  • LARGE BORE DUAL FOOT CHUCK: Full swivel + hose for construction/heavy equipment w/large bore valves.
  • SOLID BRASS FITTINGS: Long-lasting performance, 1/4" NPT (F) air inlet. Milton 727 plug recommended.

No need to worry about batteries with this analog inflator gauge, filled with liquid (silicone oil) that provides optimal accuracy, pressure spike prevention, and a cushioned tick to optimize the lifespan of the mechanical parts inside the gauge . This also has a deflate button for when you overshoot the pressure. It comes with a 15 inch hose and a Large Bore Dual Head Chuck (great for Duallys or normal large tires). The dial gauge is fitted with a rubber boot which protects it from corrosion, impacts, and shocks.

INCLUDES: - Analog inflator gauge with rugged comfort-grip handle, shock-resistant protective rubber boot, deflate button, 15" hose, and large bore dual head chuck. (Assembly required.)


- Resolution: 2 PSI
- Diameter: 2.75"
- Units of measure: PSI (0-160), Bar (0-11)
- Liquid filled: silicone based oil
-Handle: reinforced coated nylon
-Trigger: plated steel with PVC grip
-Fittings and deflate button: solid brass
-Product dimensions (w/o hose): 9.9 x 4.6 x 1.6 (L x W x H)
-Hose: 1/4" ID x 15" EPDM rubber w/ brass fittings
-Operating temperature: -4 to +158 degrees F (-20 to +70 C)
-Air inlet: 1/4" NPT female (Milton 727 plug sold separately)


- No need to worry about batteries with this durable analog inflator gauge!
- Protective rubber boot to shield against impacts.
- Comfort molded nylon handle with coating is incredibly durable and ergonomic.
- Steel inflator trigger with separate brass deflation button for quick fine tuning in case you go past your target pressure.
- Solid brass fittings throughout provide long-lasting performance, with 1/4" NPT female air inlet (Milton 727 plug is recommended).


If using a dual head type tire chuck with an inflator gauge and notice air is escaping through the off-side once connected to the tire’s Schrader valve, simply release the trigger and remove the inflator from the Schrader/tire valve. Point the straight side of the outlet up into the air (make sure it’s not pointed at someone). Squeeze trigger, allow air to flow (gravity will cause the sealing valve to drop), and place the chuck end onto the Schrader/tire valve while air is still flowing. Air will start to flow into the tire.

Dual head type tire chucks are unable to inflate a completely flat (zero air pressure) tire. Tire air pressure would normally cause the sealing valve to move and seal the unused side of the chuck. However, if a tire has 0 air pressure, the self-sealing valve has no pressure to react to.

DRIVE SAFELY: Maintaining proper tire pressures improves vehicle handling, reduces risk of tire failure, improves fuel economy, and increases the life of your tires. Assembled in the USA from global & domestic sourced materials.
Warranty: 1 year

Weight 1.8600
Made in USA Yes
NPT thread size 1/4" Female NPT
Chuck type Large bore dual head
Thread Size 1/4" - 18 NPT
Hose length 15" Hose
Manufacturer Milton Industries
Height 1.60"
Width 4.60"
Length 9.90"
PSI range 0 to 160 PSI
Material Type Brass
Rubber boot Yes (Protective Rubber Boot for Dial)
kPa range Yes
L (Pkg) 14.38"
W (Pkg) 6.8"
H (Pkg) 1.75"

Product Questions

Does this item require batteries?
Why is the gauge oil filled?
The oil in the analog inflator gauge has many benefits. The main benefits of the oil are that it lubricates the internal components of the gauge increasing their service lifespan, dampens vibrations and pressure spikes which in turn decrease the likelihood of inaccurate readings. Also in case of the inflator gauge being dropped, the oil prevents the pressure reading tick from moving.
What type of oil is inside the gauge?
The gauges is filled with a silicone based oil.
How do I add oil?
In case of low oil level, pull back the rubber boot and at the top (12 o'clock position) of the gauge, you will find a black plastic plug. Pull the plug out, being careful not to spill the oil inside the gauge and carefully add oil intermittently to allow the oil to fill the gauge and level. Fill about 3/4th of the gauge. When done, wipe away any spilled oil, replace the plug, and replace rubber boot.