What horsepower is the Jenny K1S-BS air compressor?

The Jenny K1S-BS is rated at 1 HP.

How much air does the Jenny K1S-BS produce?

The Jenny K1S-BS delivers 7.4 SCFM.

What is the maximum pressure of the Jenny K1S-BS?

The Jenny K1S-BS has a maximum operating pressure of 40 PSI.

What size tank does the Jenny K1S-BS have?

The Jenny K1S-BS has a 0-gallon tank.

Is the Jenny K1S-BS single-stage or two-stage?

The Jenny K1S-BS is a single-stage compressor.

Jenny K1S-BS

Jenny K1S-BS is a 1 HP single-stage splash-lubricated reciprocating piston compressor (Jenny K Series) delivering 7.4 SCFM at 40 PSI, designed specifically for dry-pipe fire sprinkler system air maintenance. Base-mount configuration (BS suffix, no integral tank) connects directly to the sprinkler system riser. Max pressure is 40 PSI, matched to typical dry-pipe sprinkler operating range. Voltage is 115V single-phase for standard outlet installation. Unit weighs 125 lbs. Retail pricing is approximately $1,860 from authorized Jenny distributors. The K1S-BS maintains system air pressure to prevent false triggers and minimize corrosion in dry-pipe sprinkler systems. Confirm NFPA 13 compliance and sprinkler system pressure requirements with a licensed fire protection contractor before installation. No factory datasheet was found on jennyproductsinc.com.

CFM

7.4 @ 40 PSI

Duty

— continuous

Tank size

— gal

Air output per horsepowerAirflow per motor HP

7.40CFM/HP

Poor 2.8Typical 3.15Good 3.5

Isentropic efficiencyClass median · 1-stage piston

58%

Poor <50Good 70Best 92

Price per cubic foot · minuteVerified retailer price

$251$/SCFM

Good $180Typical $211High $260

PUMP & DRIVE

Stages1-stage recip

Cylinder—

Pump RPM790 rpm

Lubricationsplash-lubricated

Oil—

Sump—

Pump life—

Pump material—

Head material—

Intercooler—

PERFORMANCE

Catalog CFM7.4 @ 40 PSI

CFM / HP7.40

Cut-in / out—

Tank fill—

Est. draw0.9 kW

COST & MAINTENANCE

Compressor Controller ROI calc · $0.14/kWh · 1920 hr/yr · 70% motor efficiency · HP×1.10 sizing · savings 23–42% of electric

Electric · yearlyEst. $315

Maintenance · yearlyEst. $80

Savings with Compressor Controller · yearlyEst. $72–$132

ELECTRICAL & FORM

Serviceelectric

Voltage115

Amps—

Motor—

Motor RPM—

Control—

Starter—

Weight125 lb

Form—

BUILD & ENVIRONMENT

Air outlet—

Drain—

Drain outlet—

ASME tank—

Made in USA—

Noise—

Op. temp—

Dimensions—

Ship weight—

Warranty—

Where this sits in the catalog

Histograms below: highlighted bar marks this unit’s bucket.

Catalog: 1655 units
Peer class: 12 · 1 HP

Sizing & pricevs. 12 in class

SCFM @ 1 HP7.4cfm
2median 3.917
+92.2% vs. median
Average price$1,860
$129median $871$3k
+113.4% vs. median

Efficiency vs. peersvs. 12 in class

CFM per HP7.4cfm/hp
2.2median 417.3
+85% vs. median
Price per CFM$251$/scfm
$13median $248$1,009
+1.2% vs. median

Where this is sold

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Price history

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