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All Categories > Clean Air Treatment > Filtration > MST Purification & Filtration > MST Purification and Filtration Systems > Point of Attachment Products > Item # 8021101  
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Item # 8021101, Low Pressure Alarm System

Web Price $608.69

This is an air distribution system that will alarm when the supplied air falls below a preset air pressure setting. When the inlet air pressure falls below the preset level specified in the model number, a pressure switch connects the internal 9 volt transistor battery to the alarm (rated 119dB(A). The alarm will continue to operate until the pressure in the system exceeds the preset level.


Dynamic Operating Pressure

100 psig

Max. Inlet Pressure (Static)

150 psig

Operating Temperature

14 to 122 ºF
-10 to 50

Dimensions (W x H x D)

10 3/4 x 9 3/4 x 7 inches
273 x 248 x 178

Power Requirements

Internal 9 Volt Transistor Battery (Eveready No. 522 or equal)

Standard Pressure Set Alarm Point

83.75 and 65 PSIG (±5)

Inlet Fitting Supplied

(1) Plug, 3.8" II x 3/8" MPT

Outlet Fittings Supplied, Standard

(4) Quick-disconnect, 1/4" II x 3/8" MPT


(4) Quick-disconnect, 1/4" Schrader x 3/8" MPT (MST P.N. 80166)

Weight (with Fittings)

7 lbs

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