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Figure 58
PS570S gas train
Figure 59
PS570G or PS555 gas train
Manual shutoff
valve, 1/2
23115-0009
1/2 union
23051-0003
Combination gas
control valve, 1/2
45688
Solenoid valve, 1/2
28091-0017
Pilot
pressure
tap
30185
Bypass line
(1/4 aluminum tubing)
15125-0002
(per foot)
Pilot line
(1/4 aluminum tubing)
15125-0002
(per foot)
Burner blower and
motor assy, 120V
with centrifugal
safety switch
27170-0011
Air shutter
42810-0087
NOT SHOWN
(components are
installed on back wall
of machinery
compartment):
240Vp:120Vs blower
motor transformer
27170-0017
Relay
27170-0016
OVENS RETROFITTED
WITH MODULATING
GAS SYSTEM ONLY:
M420 modulating
valve, 1/2
41647
Manual shutoff
valve, 1/2
23115-0009
1/2 union
23051-0003
Combination gas
control valve, 1/2
45688
Pilot pressure tap
30185
Pilot line
(1/4 aluminum tubing)
15125-0002
(per foot)
M420 modulating
valve, 1/2
41647
Air shutter
42810-0087
Burner blower
and motor assy,
208/240V
27170-0287
Air tube
(silicone rubber)
22450-0297
(per foot)
TO POSITIVE (+)
SIDE OF AIR
SWITCH
Flexible air hose
22450-0255
Flexible air hose
22450-0255
SECTION 3 - SERVICING COMPONENTS