Jenny · SINGLE-STAGE PISTON

F12S-BS

0.50 HP · Horizontal · electric · splash · 1-stage
AVERAGE PRICE
$1,428
1 retailer

The Jenny F12S-BS is a 0.5 HP single-stage reciprocating (piston) air compressor with a bare base (no tank), delivering 3.8 CFM at 40 PSI and a maximum pressure of 125 PSI. It uses an oil-lubricated cast-iron pump and runs on 115/230 power. Jenny F12S-BS is a 1/2 HP single-stage cast-iron fire sprinkler air compressor pump, base-mounted with no tank, delivering 3.8 CFM at 40 PSI.

HP
0.50
CFM
3.8 @ 40 PSI
Duty
— continuous
Tank size
— gal
Air output per horsepowerAirflow per motor HP
7.60CFM/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
$376$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages1-stage recip
Cylinder—
Pump RPM—
Lubricationsplash
Oil—
Sump—
Pump life—
Pump material—
Head material—
Intercooler—
PERFORMANCE
Catalog CFM3.8 @ 40 PSI
CFM / HP7.60
Cut-in / out—
Tank fill—
Est. draw0.4 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. $158
Maintenance · yearlyEst. $80
Savings with Compressor Controller · yearlyEst. $36–$66
ELECTRICAL & FORM
Serviceelectric
Voltage115/230
Amps—
Motor—
Motor RPM—
Control—
Starter—
Weight—
FormHorizontal
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
1708 units
Peer class
4 · 0.5 HP
Sizing & pricevs. 4 in class
  • SCFM @ 0.5 HP3.8cfm
    1median 2.83
    +38.2% vs. median
  • Average price$1,428
    $599median $1,782$2k
    -19.9% vs. median
Efficiency vs. peersvs. 4 in class
  • CFM per HP7.6cfm/hp
    3.1median 7.67.6
    0% vs. median
  • Price per CFM$382$/scfm
    $381median $556$1,266
    -31.4% vs. median

Price history

Showing the current verified price for each retailer. As the price-tracking worker collects new readings, dots will appear along each line.

$1,426$1,435$1,443$1,452avg $1,439today-10d-20d-30d
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