User Manual

ECONOMITE 400-33 & F400-33 GAS BURNERS

WARNING: Explosion hazard. Can cause serious injury or death. This device can malfunction if it gets wet. Never try to use a device

that has been wet - replace it.

DECODING CENTURY MOTOR NUMBERS. Single digit prefix denotes manufacturer’s location. Double digit suffix denotes

manufacturer’s mechanical code.

PART # DESCRPTION PART # DESCRIPTION

3981-001 4” Diameter Stainless Sleeve 5253-01 Pilot assembly with insulators, rods, temflex and

baffle.

4904-45 Quadrant-Air Shutter Ad

ustmen

5253-10 PVC tubin

—7/16”I.D. x 2” lon

4905-15 Air shutter-Internal 5234-40 Flame rod Gland Nut

4917-00 Main Orifice Holder 5234-50 Flame rod assembly.

4918-11 Orifice Elbow (1” NPT) 5249-01 Pilot air baffle.

4919-60 Blower Wheel with centrifugal actuator and Disc 5249-32 Spark rod assembly.

4919-90 Centrifugal Actuator Disc 5250-00 Pilot tip with cone less insulators, rods, temflex

and baffle.

4927-509 1/6 HP motor 120/1/60 [G.E. 5KH35FN123X 5272-00 Blower inlet grille.

(note 1/3 HP substitute), 5KH33DG655Y,

5KH33DN171Y; Dayton 6K149; Marathon 5939-01 Flame rod wire--5” through 9” burner tube.

48S34D191A, 48S34D203; Universal Electric

HH1E001N; Century X-173668-XX] 8433-06 Pilot spud (.021)—PROPANE (3N4-021,

Y90AA-5232).

4922-90 Primary Air Shutter Kit

8433-10 Pilot spud (.032)—NATURAL (2-15M1-032,

4924-10 Inlet Side Plate Y90AA-5232).

4944-02 Main Spud 25/64” (.390) minimum capacity-- 8437-419 1/6HP totally enclosed motor 115/1/60 (Century

NATURAL—drill 7/16” (.437) for 400/540 MBH X-176797-XX) special and Canadian burners

range and omit for 540/700 range only. Not interchangeable with drip proof motor

4921-50.

4944-03 Main Spud #21 Drill(.390) minimum capacity--

PROPANE—drill for desired capacity per manual 8447-11 Ignition transformer 120/1/60 primary, 6000 volts

secondary (Webster 612-6A020, 612-6A044;

4944-10 Main Spud Extension France 3RABVR-19; Jefferson #638-181).

4946-00 Motor Spacer (4 required) 8450-21 Orifice holder sealing gasket.

4959-05 External Pilot Air Tube Kit 8451-06 Spark rod insulator sleeve.

5201-00 ½” sq. pass thru for 1/4” tube fitting (gas line) 8484-72 Heyco strain relief (SR-4K-1)--Flame rod wire.

5201-10 ½” sq. pass thru for 5/16” tube fitting (air line) 8484-75 Heyco strain relief (SR-11-2)--Spark rod wire.

5202-08 Pilot Spud #55 (.052) drill [was #54(.055)]-- 8484-78 Heyco snap bushing (B-8875-750).

NATURAL AND PROPANE

8502-05 Spark cable--15” burner tube.

5211-51 Motor, wheel and side plate assembly 120/1/60

8502-06 Spark cable--5” through 9” burner tube.

5225-263 Blower housing and burner tube assembly--9”

8423-16 Blower interlock switch (MICRO BZ-2RQ174-A2).