National Products BW3 - Manual (Page 19)

REPAIR PARTS
IMPORTANT — READ THESE INSTRUCTIONS BEFORE ORDERING All parts listed in the following Parts List may be ordered
through your nearest supplier.
When ordering parts, first obtain the Model No. from the data plate on boiler, then determine the Part No. (not the Key No.) and the Description
of each part from the following illustrations and lists. Be sure to give all this information: The Part No. — The Part Description — The Boiler
Model No.
Natural Gas Burners and Manifold Parts
This is a Repair Parts List—Not a Packing List
KEY
NO.
DESCRIPTION
PART NO.
2 Section 3 Section 4 Section 5 Section 6 Section 7 Section
1 24-v Gas Valve, Natural Gas 146-62-052 146-62-052 146-62-052 146-62-052 146-62-058 146-62-058
2 Pilot Tube 146-15-005 146-15-005 146-15-005 146-15-005 146-15-006 146-15-006
3 10-32 X 3/16-in. Slotted Hex Head Screw 146-95-301 146-95-301 146-95-301 146-95-301 146-95-301 146-95-301
4 Gas Manifold 146-16-042 146-16-043 146-16-044 146-16-045 146-16-024 146-16-025
5 Orifice — Natural Gas* 146-15-030 146-15-031 146-15-031 146-15-031 146-15-035 146-15-035
6 Main Burner Less Pilot Bracket† — 146-15-532 146-15-532 146-15-532 146-15-532 146-15-532
6A Main Burner with Pilot Bracket 146-15-531 146-15-531 146-15-531 146-15-531 146-15-531 146-15-531
7 Pilot Burner with Orifice, Natural Gas 146-62-091 146-62-092 146-62-092 146-62-092 146-62-092 146-62-092
‡ Rollout Shield 425-00-932 425-00-933 425-00-934 425-00-935 425-00-936 425-00-937
Quantity is 1 unless otherwise noted.
* Requires 1 less than the number of sections.
† Requires 2 less than the number of sections.
‡ Not illustrated.
A98238
4
5
6
6A
2
3
1
→
FOR USE WITH NATURAL GAS ONLY
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