
ST-300/AA LOW-INPUT
ST-300/AB HIGH-INPUT
GAS CONVECTION OVEN
REPLACEMENT PARTS LIST
EFFECTIVE SEPTEMBER 12, 2002
BLODGETT OVEN COMPANY, 44 Lakeside Avenue, Burlington, Vermont 05401 USA
Telephone: (802) 860-3700 (800) 331-5842 Fax: (802) 860-3732
www.blodgett.com
Superseding All Previous Parts Lists.
The Company reserves the right to make substitution in the event that items specified are not available.
ERRORS: Descriptive and/or typographic errors are subject to correction.
www.blodgett.com

IMPORTANT: When ordering parts, please provide the model, gas type
and serial number of the oven. The identification plate is located on
the left side of the combustion compartment and, also, above the control
panel under the ledge.
þ ASAP Distributor Required Stocking Parts
t Doors Are Not Returnable
ST-300
September 12, 2002
ELECTRICAL COMPONENTS
Ref. Part
No. No. Description
1 20349 Buzzer, 120V (Qty 1)
2 þ 18225 Timer, 60 Minute, 120V, 60 HZ (Qty 1)
3 þ 16686 Knob, Timer (Qty 1)
4 þ 33152 Controller, Temperature w/ Potentiometer
þ 18588 Probe, Temperature (Qty 1)
3 16686 Knob, Temperature (Qty 1)
5 þ 31638 Mode Selector Switch (4 Position) w/o Knob
3 þ 16686 Knob, Mode Selector (Qty 1)
þ 24684 Knob, Mode Selector (for SSD Control)
6 þ 18265 Indicator Light, Red, Round, 28V (Qty 1)
7 31274 Transformer, 120V to 24V (Qty 1)
8 þ 31288 Motor, 115V, 1/2 HP (Qty 1)
9 þ 31286 Blower Wheel Assy. (Qty 1)
10 þ 19620 Light Switch, Rocker SPST (Momentary)
(Qty 1)
11 þ 24352 Relay, SPDT, 120V (Qty 2)
12 þ 24351 Relay, SPDT, 24V (Qty 1)
33119 Kit, Relay Lockout
30499 Cord Set Assy. (Qty 1)
13 þ 19978 Microswitch Assy., 20 AMP, 250V (Qty 1)
þ 31259 Switch, Pressure (Qty 1)
31592 Tubing, Pressure Switch (Qty 1)
þ 30503 Terminal Block (Qty 1)
þ 32344 Retrofit Kit, Axial Fan
20657 Axial Fan
33119 Relay Lockout Kit
45 32266 4 Sec Delay Timer (Qty 1)
34419 Kit to add 4 Sec. Delay Timer
HI-INPUT GAS COMPONENTS
NATURAL GAS OVENS ONLY ST300/AB
Ref. Part
No. No. Description
14 þ 30851 Ignition Control Box, Hot Surface (Qty 1)
15 þ 31251 Hot Surface Ignitor Kit (Qty 1)
31628 Bracket Assy., Ignitor Shield (Qty 1)
16 þ 30455 Gas Valve, 2 Stage, Nat (Qty 1)
17 þ 32470 Gas Valve, Manual w/o Knob (Qty 1)
3 þ 16686 Knob, Manual Gas Valve (Qty 1)
þ 30177 Shaft & Knob, Shut-Off Gas (Qty 1)
19 þ 31692 Combustion Blower/Pressure Switch Kit
(Qty 1)
þ 30850 Blower Assy., Combustion (Qty 1)
23 þ 30957 Hose, Gas Flex 1/2" ID (Qty 1)
24 þ 464 Nipple, Brass Hex (Qty 1)
25 31298 Bushing, Hex (Qty 1)
20 31813 Orifice, Main Burner, Nat (MTD 26) Qty 1
31321 Orifice, Air Plate, Nat (.397) Qty 1
21 31252 Burner Assy, 6 Row
31233 Gasket Only, Burner
31237 Gasket, Burner Access
34105 Manifold Assy, Lower Nat Only
31234 Gasket, Lower Manifold
30931 Manifold, Upper
30057 Gasket, Upper Manifold
SOLID STATE DIGITAL CONTROLS
INTERIOR OVEN COMPONENTS
Ref. Part
No. No. Description
35051 Rack Support Kit (19" x 20") (Set of 2)
30120 Racks, Wire (20-7/8" x 28-1/4") Chrome
(Each)
26 30044 Baffle, Interior Liner (Qty 1)
27 31691 Flame Deflector Shield (Qty 1)
30914 Motor Mount & Panel Assy. (Qty 1)
28 31639 Light & Cup Assy. (Qty 2)
31769 Bulb, Light 40 W (Qty 2)
Ref. Part
No. No. Description
45 30658 Controller, SSD (Qty 1)
18588 Probe, Temperature
46 24684 Knob, Mode Selector
47 24685 Knob, Adjust (for 30658)
48 31804 Control Panel & Decal, SSD

SEPTEMBER 12, 2002 3 ST300
LOW-INPUT GAS COMPONENTS
ST300/AA
Ref. Part
No. No. Description
20 31811 Orifice, Main Burner, Nat (MTD 31) (Qty 1)
31812 Orifice, Main Burner, LP (MTD 48) (Qty 1)
31808 Airplate, Orifice, Nat (.625) (Qty 1)
30780 Airplate, Orifice, LP (.750) (Qty 1)
31693 Conversion Kit, LP to Nat (Qty 1)
31815 Conversion Kit, Natl to LP (Qty 1)
21 31252 Burner Assy., 6 Row (Qty 1) (LP & Nat)
30056 Gasket Only, Burner (Qty 1) (LP & Nat)
31254 Shield Kit, Burner (Comp.) (Qty 1) (LP & Nat)
22 31694 Manifold Assy., Lower (Qty 1) (LP & Nat)
31234 Gasket, Lower Manifold (Qty 1) (LP & Nat)
30931 Manifold, Upper (Qty 1) (LP & Nat)
30057 Gasket, Upper Manifold (Qty 1) (LP & Nat)
14 30851 Ignition Control Box, Hot Surface (Qty 1)
15 31251 Hot Surface Ignitor Kit (Qty 1)
31628 Bracket Assy., Ignitor Shield (Qty 1)
16 30455 Gas Valve, 2 Stage, Nat (Qty 1)
31742 Gas Valve, 2 Stage, LP (Qty 1)
17 32470 Gas Valve, Manual w/o Knob (Qty 1)
3 16686 Knob, Manual Gas Valve (Qty 1)
30177 Shaft & Knob, Shut-Off Gas (Qty 1)
18 31253 Flame Sensor Assy. (Qty 1)
19 31692 Combustion Blower/Pressure Switch Kit
(Qty 1)
30850 Blower Assy., Combustion (Qty 1)
23 30957 Hose, Gas Flex 1/2" ID
24 464 Nipple, Brass Hex
25 31298 Bushing, Hex
34549 Retrofit Kit, Burner
EXTERIOR OVEN COMPONENTS
Ref. Part
No. No. Description
7839 Drafthood, Direct Venting, S/S(Sgl Oven)
21108 Drafthood, Direct Venting, S/S(Dbl Oven)
7840 Draft Diverter, Canopy Vent, S/S(Sgl Oven)
20447 Draft Diverter, Canopy Vent, S/S(Dbl Oven)
21104 Flue Box Assy. (Sgl Oven)
32509 Flue Box Assy., 3 Piece (Dbl Oven)
18022 Trim Collar (Qty 1)
23190 Crown Assy. (Around Entire Oven Top)(Qty 1)
41 21439 Control Access Panel S/S (Qty 1)
42 33970 Bottom Trim (Qty 1)
43 XXXXX Control Panel & Decal w/Lights,
Manual (Qty 1)
48 31804 Control Panel & Decal, SSD (Qty 1)
16470 Nameplate, Blodgett 10" (Qty 1)
31809 Decal, Logo "Star2000" (Qty 1)
44 31197 Bodyside, RH Removeable S/S
(Before 6/26/95) (Qty 1)
31825 Bodyside, RH Removeable S/S
(After 6/26/95) (Qty 1)
31988 Body Back, Sld S/S (Qty 1)
31831 Backpipe Assy., Dbl (Qty 1)
8600 Legs, 6" w/ Bolts, S/S (Set of 4)
8598 Legs, 25" w/ Bolts, S/S (Set of 4)
92000 Studs, Leg (Set of 4)
7847 Bolts, Leg (Set of 8)
6486 Open Stand w/ Feet, S/S
11416 Open Stand w/ Casters, S/S
5779 Caster Kit w/ Plate, Dbl Oven (Set of 4)
16002 Casters, Sgl Oven (Set of 4)
19528 Casters, Low Profile (Set of 4)
31803 Clips, Dbl Stacking (Set of 2)
DOOR COMPONENTS
Ref. Part
No. No. Description
t 20804 Door Assy., Gls LH (Qty 1)
t 20803 Door Assy., Gls RH (Qty 1)
29 t 20806 Door Assy., Sld LH (Qty 1)
30 t 20805 Door Assy., Sld RH (Qty 1)
þ 9036 Glass Assy. (10-1/8" x 17-1/8") (Qty 1)
31 20359 Arm Assy., Door LH (Qty 1)
32 90076 Arm Assy., Door RH (Qty 1)
þ 4887 Chain & Turnbuckles, door operating (Qty 1)
90074 Sprocket Assy., Door (Qty 1)
33 þ 17558 Door Handle, Porc. (Qty 1)
34 18081 Top Plate, Door Handle S/S (Qty 1)
35 þ 90017 Washers, Door (Set of 2)
17557 Upper Hinge Pin, Door (Qty 2)
36 þ 90004 Bushings, Door Hinge (Set of 2)
37 þ 16657 Upper Bushing Sleeve, Door (Qty 2)
þ 20659 Lower Door Support Assy. (Qty 1)
13 þ 35702 Microswitch Assy., 20 AMP, 250V (Qty 1)
35419 Bracket Assy., Microswitch (Qty 1)
90077 Cam Assy., Door Switch (Qty 1)
38 þ 16448 Pressure Lock (Qty 1)
39 þ 17519 Perimeter Gasket Assy., Door (Qty 1)
40 þ 17311 Center Door Trim (Qty 1)

SEPTEMBER 12, 2002 5 ST300
SOLID STATE MANUAL
SOLID STATE DIGITAL
BLODGETT OVEN COMPANY, 44 Lakeside Avenue, Burlington, Vermont 05401 USA
Telephone: (802) 860-3700 (800) 331-5842 Fax: (802) 860-3732
A Division of G.S. Blodgett Corporation