A.O. Smith HW 300 THRU HW 670 Parts Description, HW 399/420, HW670, Coil High Limit Assembly

COIL HIGH LIMIT

ASSEMBLY

ROBERTSHAW

GAS VALVE

WIRE TERMINALS USED WITH ITEM 62

77951 85688 99593 78469 78468

PILOT BURNER

ASSEMBLY

Item	Parts Description			HW 300	HW 399/420	HW 520	HW670
1	Base, Assembly			76195-700	.......... 76193-700	76193-700	76193-700
2	Box, Junction			190616-4	............ 190616-4	190616-4	190616-4
3	Bracket, Gas Control String			93764	93764	93764	93764
4	Bracket, Pilot (At Main Gas Burner)			190424	190424	190424	190424
5	Bracket, Shield			190473	190473	190473	190473
6	Burner, Main: Sea Level
..........	Natural Gas			98593-20	............. 98593-2	98593-21	98593-4
..........	Propane Gas			98593-1	98593-3	98593-22	98593-5
7	Burner, Pilot (With Orifice):
..........	Natural Gas			210871-0	............ 210871-0	210871-0	210871-0
..........	Propane Gas			210871-1	............ 210871-1	210871-1	210871-1
9	Bushing, Snap			98863	98863	98863	98863
10	Cap, Terminal End			98206	98206	98206	98206
* 11	Clamp, Capillary Tube			94998	94998	94998	94998
12	Clamp, Tubing			68903	68903	68903	68903
13	Clip, Retainer			92979	92979	92979	92979
14	Coil, Combustion Chamber			97485	97486	99267	99267
15	Collector, Flue			190285-10	.... 190285-1/190285	190285-5	190286
16	Control, Intermittent Ignition:HW
..........	Natural Gas (Series 932)			191182	191182	191182	191182
..........	Propane Gas (Series 933)			191182-1	191182-1	191182-1	191182-1
17	Control, Limit			93661-4	93661-4	93661-4	93661-4
18	Control, Limit (Protector Switch)			77981-2	77981-2	77981-2	77981-2
19	Cover, Leg			97259-701	.......... 97259-701	97259-701	97259-701
20	M.E.A.		HW			96667-706	96667-706
	Cover, Limit Control (Protector Switch)			96667-706	.......... 96667-706
21	Cover, Peep Hole			1050-702	............ 1050-702	1050-702	1050-702
22	Cover, Top			96096-709	.......... 96096-701	96378-702	96378-701
23	*Decals:
..........	ASHRAE			191857	191857	191857	191857
..........	California			42985	42985	42985	42985
..........	Clearance — Models HW-300, 399			190022-1	............ 190022-2	- - - -	- - - -
..........	Clearance — Models HW-420, 520 & 670			- - - -	76982	76982	76982
..........	Flammable Vapors/Scald			192872	192872	192872	192872
..........	Lighting & Operating		........................................	191367	191367	191367	191367
..........		............................................................. 42929-22			............ 42929-22	42929-23	42929-22
..........	Pilot	77860		77860	77860	77860
..........	Protector			97315	97315	97315	97315
..........	Warning			190230	190230	190230	190230
..........	Water Inlet			94518	94518	94518	94518
..........	Water Outlet			94519	94519	94519	94519