L Plus Series

Base Mounted - Oil Lubricated Air Compressors
The L Plus Series base mounted, oil lubricated fire protection air compressors are a rugged, old school style, workhorse of an air compressor. Single phase, three phase, high pressure and 50 Hz units are available. As with all of our fire protection air compressors, the L Plus Series is specifically engineered to pressurize dry and pre-action sprinkler systems according to the parameters of NFPA 13.
Range: The L Plus Series lubricated, base mounted fire protection air compressors can be used in dry sprinkler systems up to 2500 gallons in size.
Note: L Plus Series units do not include a pressure switch. Automatic operation requires the separate purchase of an AMD-2 air maintenance device.
What’s Included
- NEMA Rated / UL Listed Motor
- Industrial Duty Compressor Pump
- Flywheel and Belt
- Pressure Relief Valve (shipped loose)
- Air Intake Filter
- 1 QT compressor oil (shipped loose)
- 30” Stainless Steel Flex Hose (NEW)
- Vibration Isolation Pads (NEW)
Available As
- Single Phase (60 psi, Standard)
- Three Phase
- High Pressure (100 PSI)
- 50 Hz (electrical current for use outside of the USA)

Standard L Series (Single Phase, 40 PSI)
Model Number | System Capacity (gal.) |
General Arrangement | Engineering Submittal Package | Wiring Guide | Press. Sw. Adjustment Video | Cut Sheet |
L20033A | 200 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L29050A | 290 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L36575A | 365 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L425100A | 425 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L620100A | 620 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L900150A | 900 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1220200A | 1050 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1300300A | 1300 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1600300A | 1400 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L2000500A | 2000 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L2500500A | 2500 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
Three Phase L Series (3 PH, 40 PSI)
Model Number | System Capacity (gal.) |
General Arrangement | Engineering Submittal Package | Wiring Guide | Press. Sw. Adjustment Video | Cut Sheet |
L20033B | 200 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L29050B | 290 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L36575B | 365 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L425100B | 425 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L620100B | 620 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L900150B | 900 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1220200B | 1050 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1300300B | 1300 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L1600300B | 1400 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L2000500B | 2000 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
L2500500B | 2500 gallons | [pdf] | [zip] | [pdf] | No pressure switch on L Series compressors - see AMD-2 | [pdf] |
- All Industrial Duty Components
- Lifetime Customer Service and Technical Support
Additional Documents
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