ISSPRO R9279C User Manual

Pressure sending units installation instructions

ISSPRO, INC. 2515 N.E. Riverside Way, Portland OR 97211

Telephone: (503) 288-4488  Toll Free: (800) 888-8065

FAX: (503) 249-2999

Pressure Sending Units

Installation Instructions

Intended for light duty oil and air applications, 12V/24V, 1-watt operation.

Standard Terminal Stud

Figure 1

Dual Station Unit (–02)

Figure 2

Isolated Ground (–03)

Figure 3

Connect as shown above for your application. Ensure that sending unit pressure range and resistance curve is
compatible with existing gauge. Use hex on threaded part (not body of sending unit) to install sending unit into
engine block pressure port. Tighten 1/8 NPTF hex five turns (20Nm/15lb-ft max) or until no leaks are observed.
Tighten M5 hex nut 1Nm/9lb-in max. Do not use Teflon tape or other silicone compounds on threads, when
installing sending units, only Loctite 516 is approved as a thread sealant. Use 18 AWG wire with ring terminals
to make wire connections to gauge/instruments.

Form No. IS094 (Rev. B 8/14/02) Page 1 of 1

ISSPRO, INC. 2515 N.E. Riverside Way, Portland OR 97211

Telephone: (503) 288-4488  Toll Free: (800) 888-8065

FAX: (503) 249-2999

Pressure Sending Units

Installation Instructions

Intended for light duty oil and air applications, 12V/24V, 1-watt operation.

Standard Terminal Stud

Figure 1

Dual Station Unit (–02)

Figure 2

Isolated Ground (–03)

Figure 3

Form No. IS094 (Rev. C 4/15/10) Page 1 of 1

Connect to Gauge

Ground is thru Body of Sender

Connect to Ground (N)

Connect to Gauge (G)
1 Gauge only

Connect to First Gauge

Connect to second Gauge
(Must use 2 Gauges)

Body is Ground