A. O. Smith HW-300 Parts List

PSD-3-454

COMMERCIAL WATER HEATER

REPLACEMENT PARTS LIST

MODELS HW/HWB 300 THRU 610

SERIES: 104/105/106/107

SMR CANADA Z-14

RADIATION SHIELD

76

77

78

WIRE TERMINALS USED WITH ITEM 64

77951

85688

99593

78469

78468

A.O. SMITH WATER PRODUCTS CO., INC.

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 Phone: [phone] • Fax: [phone] website: [e-mail]

PRINTED IN U.S.A. 0303

211830-000 REV. 00

	43
PILOT ASSEMBLY
PROPANE, SERIES 105, 107	NATURAL SERIES 104, 106
(HWB/HW 300, 399)

ROBERTSHAW

GAS VALVE

PILOT ASSEMBLY,

PROPANE, SERIES 105, 107 (HWB/HW 420, 520, 610)

	Item	Description	HWB/HW	HWB/HW	HWB/HW	HWB/HW
			300	399/420	520	610
	51 ......	Base, Assembly .............................................................................	76195-700	........... 76193-700 ............	76193-700 ..........	76193-700
2 ......		Box, Junction ...................................................................................	190616-5	............. 190616-5 ..............	190616-5 ............	190616-5
3 ......		Bracket, Gas Control String ...............................................................	93764 ..................	93764 ...................	93764 ..................	93764
4 ......		Bracket, Pilot (at main gas burner) - Series 104, 106 ......................	190424 ................	190424 .................	190424 ................	190424
	......	Bracket, Pilot (at main gas burner) - Series 105, 107 ....................	190424-3 .............	190424-3 ..............	190424-3 ............	190424-3
5 ......		Bracket, Shield - Series 104, 106 .....................................................	190473 ................	190473 .................	190473 ................	190473
6 ......		Burner, Main:
	......	Natural Gas, Altitude 0 - 2000 Ft. ............................................	98593-20 ..............	98593-2 ...............	98593-21 .............	98593-4
	......	† Natural Gas, Altitude 2 - 4500 Ft. .........................................	98593-39 .............	98593-41 ..............	98593-43 ............	98593-45
	......	Propane Gas, Altitude 0 - 2000 Ft. ...........................................	98593-1 ...............	98593-3 ...............	98593-22 ............	98593-47
	......	† Propane Gas, Altitude 2 - 4500 Ft. .......................................	98593-40 .............	98593-42 ..............	98593-44 ............	98593-46
7 ......		Burner, Pilot (With Orifice):
	......	Natural Gas - Series 104, 106 ...................................................	210871 ................	210871 .................	210871 ................	210871
	......	Propane Gas - Series 105, 107 .................................................	2587-4 .................	2587-4 ..................	2587-4 ................	2587-4
	7a ....	Safety Pilot, Series 105, 107 ............................................................	- - - - - .............	95651(-420) ..............	95651 ..................	95651
	7b ....	Rod, Flame w/Insulator, SeriesHW105, 107 ......................................... - - - - - .............. 6066(-420) ................			6066 ....................	6066
8 ......		Cable Assembly - Series 105, 107 ..................................................	78214-5 ...............	78214-5 ................	78214-5 ..............	78214-5
9 ......		Bushing, Snap ....................................................................................	98863 ..................	98863 ...................	98863 ..................	98863
10 ......		Cap, Terminal End ..............................................................................	98206 ..................	98206 ...................	98206 ..................	98206

† High altitude burners for SMR Z-14.