Lubricator, 1/2" NPT, Max. 500 psi, In Line

Marsoni

M251S

$129.35

Get it in 3 business days with 1 day shipping. Friday, May 29

Lubricator, 1/2" NPT, Max. 500 psi, In LineTransparent sight disc allows visual inspection of oil level Oil flow regulated by screwdriver screw adjustment Minimum flow rate is 30 SCFM Specifications Connection Size 1 2" NPT Max. Air Flow 30 SCFM Max. PSI 500 psi Type In Line Bowl Capacity 1. 4 fl. oz.

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I made this purchase as a cost-effective way to monitor the meat temperature while cooking without any wires. I have used this in my smoker grill, traditional gas grill, charcoal grill, oven and rotisserie air fryer. I tested the reading for accuracy with other temp measuring devices and find that it has been spot on in every method. It is so easy to use that you push it into the meat to the designated line and it reads the ambient, (surrounding), temp as well as the current meat temp. The display is easy to read and has a backlight when cooking outdoors in dim lighting. It is magnetic so it keeps the controller in place. When finished easily clean the probe with dish detergent and a wipe. I will be purchasing the 4-probe version since I do a lot of smoker grill cooks so I can measure more than one zone or different foods at the same time.

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Reviewed in the United States on May 10, 2026