3902 - Aladdin Pressure Switch 1-5 Psi 1 Amp

One part replaces virtually every pilot duty
pressure switch on gas and electric heaters,
including electronic ignition and millivolt (standing
Pilot)... here are a few of the features:
combination terminal design allows electric connection
with either 1/4” quick connection or #8 screw terminals.
Field adjustable from 1 to 5 psi and equipped with a
visual set point adjustable scale.
The housing is constructed of rugged plastic and features
a unimold mounting pan/pressure fitting for superior
corrosion resistance.
Floating contacts in a compact design
For spas, the 3902 Universal Pressure Switch is intended
for pilot duty control of heater contactors. In applications
where the pressure switch carries the full heater load,
use our 3000 (3925) series pressure switches.
The 3902 Universal Pressure Switch consists of a 3902
Pressure Switch with 1/8” NPT, a barb fitting and a 1/4”
and a 3/16” compression fitting adapters.
This pressure switch replaces the following pressure switches:
3900
3901
3903
3904
3906
3909
PRS-1100 Comfortzone
PRS-1101 Comfortzone
M3218 Hobbs
71076 Hobbs
26775 Hobbs
26776 Hobbs
26777 Hobbs
26778 Hobbs
R-113 Laars
R-130 Laars
R-132B Laars
S-19211/07-3328 Purex
B600025 Raypak
600025 Raypak