Question 1

What is the max psi on the input side

Accepted Answer

The instructions just say max. pressure 145  lbs. with no mention of input or out put.  I assumed input but after reading the add I see it is out put. So I don't think I can help you.  I would try to check directly with the mfg.

Question 2

Is it supposed to hiss (leak air) when it is set to a pressure lower than the tank?

Accepted Answer

As you adjust the pressure downward, the regulator will let a little wisp of air out as you turn the knob.  However, it should not leak air at any other time.  If yours is leaking continuously, something is wrong with it.I should add that William R and I both assume the hissing is "leakage out" from the regulator, such as around the knob.  The regulator will 'leak through' to maintain the set pressure downstream.  If your downstream system has a leak, the regulator will allow air through to make up for the leakage.  This would be normal operation.

Question 3

When looking down at the top of the knob, what side is the gauge on? And, does it have an L or R stamped on it?

Accepted Answer

It should have arrows or in/out to indicate the direction of flow for your connections so base your fittings based on that. with the supplied bracket and the right fittings (1/8" npt nipple and 1/8" npt female/female elbow), you can have the gauge face out, up, down, left or right.

Question 4

Would the regulator fit on a 24 oz CO2 bottle with a pin valve

Accepted Answer

That I do not know, But these type of gauges and regulators are meant to be used with compressed air usually no more than 250 psi. And to the best of my knowledge, compressed gases such as C02 is normally around 3000 psi. To get a definite answer, I would consult with the manufacturer of the product.

ASIN	B00IDCYKEY
ASIN	B00IDCYKEY
Best Sellers Rank	#59,366 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #132 in Air Compressor Accessories
Brand Name	Primefit
Customer Reviews	4.4 4.4 out of 5 stars (822)
Customer reviews	4.4 4.4 out of 5 stars (822)
Date First Available	1 January 2024
Global Trade Identification Number	00816227016164
Included Components	Air Regulator
Is Discontinued By Manufacturer	No
Item Dimensions	8.9 x 3.8 x 8.9 centimeters
Item Type Name	Mini Air Regulator
Item Weight	181 g
Item model number	R1401G
Manufacturer	Primefit
Manufacturer	Primefit
Material Type	Alloy Steel
Model	R1401G
Number of Items	1
Part Number	R1401G
Product Dimensions	8.89 x 3.81 x 8.89 cm; 181.44 g
Thread Style	1/4" Npt
UPC	816227016164 787721681359
Unit Count	1 Count
Warranty Description	1 Year Limited

Primefit R1401G Mini Air Regulator with steel-Protected Gauge, 60-Scfm At 100-Psi, 1/4" Npt

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