Manuals / Smith Cast Iron Boilers / Household Appliance / Boiler

Smith Cast Iron Boilers GB300 warranty Ref #

Models: GB300

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GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS

						Number of Sections with Item Quantities Below

Ref #	Name of Part	Part #	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21

41	Cast Iron Section, Left Side	3651	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

42	Gasket, Upper Port	60248	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20

	Gasket, Lower Port	60249	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20

—	3/8" Rope, 42" length	71601	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20

44	Draw Rod 1/2" x 7-1/2"	60358	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60

45	1/2 Flat Washer	62098	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60

46	1/2 Hex Nut	60875	24	30	36	42	48	54	60	66	72	78	84	90	96	102	108	114	120

48	Cleanout Cover	69696	1				2	1						2	4	3	2	1

		69697		1				1	2	1						1	2	3	4

		69698			1					1	2	1

		69699				1						1	2	1

49	Cleanout Cover Insulation	65135	1				2	1						2	4	3	2	1

		65136		1				1	2	1						1	2	3	4

		65137			1					1	2	1

		65138				1						1	2	1

50	Cleanout Cover Hardware Set	72695	1	1			2	2	2	1				2	4	4	4	4	2

	Cleanout Cover Hardware Set	72696			1	1				1	2	2	2	1					2

Water Controls & Trim

52	Temperature Pressure Gauge	60265	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

53	Aquastat L4006A	50511	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Well 3/4" x 3"	50502

	Aquastat, (manual reset) L4006E	50507	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

54	3/4" x 1" Relief Valve 40#, (water)	61997	1	1	1	1	1	1	1	1	1	1

	1" x 1-1/4" Relief Valve 40#, (water)	61998											1	1	1	1	1	1

	1-1/4" x 1 1/2" Relief Valve 40#, (water)	61999																	1

	Steam Controls & Trim

54	1" x 1" Relief Valve 15#, (steam)	61982	1	1	1	1	1

	1-1/4" x 1-1/2" Relief Valve 15#, (steam)	61983						1	1	1	1	1	1	1

	1-1/2" x 2" Relief Valve 15#, (steam)	61984													1	1	1	1	1

55	Steam Pressuretrol PA404A-1009	50493	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

56	L4079B-1033 Steam Pressuretrol, (manual reset)	50495	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

—	Steam Gauge	60268	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

58	Gauge Glass Set	61931	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

59	M&M 67-S-2 Low Water Cut-off	51005	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

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Smith Cast Iron Boilers GB300 warranty Ref #

Contents

GB300 NATURAL OR PROPANE GAS BOILER WHAT TO DO IF YOU SMELL GASINSTALLATION & OPERATING MANUAL QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Figure BOILER RATINGS & CAPACITIESBOILER LOCATION Concrete Block Base ConstructionAll Air From Outside The Building Wire ScreenAll Air From Inside The Building Table 1 Make-upAir Duct SizingChimney Inspection & Sizing CHIMNEY & VENT PIPE CONNECTIONSVENT CONNECTIONS COMMON VENT SYSTEMS Figure 2A Figure 2C Figure 2BDual Flue Outlets And Inside Air GB300 Series 2 FT 0.6 m 10 FT 3.4 m 3 FT 0.9 m 5 FT 4.5 mCommon Vents And Inside Air GB300 Series Figure 2DFigure 2E 10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 m10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 m Figure 2GHorizontal Venting And Inside Air GB300 BUILDING OVERHANGBurner Base Box 63265 to Burner Base Assembly General InstructionsFigure FigureBurner Base Side Panels, 5 - Burner Base Assembly 5 through 12 SectionsFigure Figure 9A Burner Base Rear Panel, 5 - 12 SectFigure Splice Channel Assembly 13 to 21 SectionsSplice Channel Assembly 13 to 21 Sections X7 BoxBase Rear Channel Bolt Holes Figure 13BFigure 14A Figure 14BManifold Attachments Burner Tube AdjustmentFigure front base splice channel, FigureBurner Base Splice Panel Bracket Figure 22BFigure Figure 22CCast Iron Section Assembly Ceramic Blanket InstallationFigure 24Ceramic Blanket Placement FigureMarking Burner Base Rear Midpoint occur voiding the warrantyFigure 26B FigureFigure Figure 35 Section Placement on Burner BaseFigure Rear View - Odd Numbered ModelsFigure Lower Port Seal PlacementDraw Rod Installation FigureFigure Figure 40 Flue Collector Box 63203 toFigure Confirming Sections Are PlumbFigure “J” Bolt InstallationFlue Collector Bracket Installation FigureFigure 47B Ceramic Blanket Placement 13-21Sect FLUE COLLECTOR INSTALLATIONFigure 47A Ceramic Blanket Placement 5-12Sect FigureFlue Collector Bracket Installation Flue Collector PlacementDraft Hood Installation FigureClean Out Cover Insulation Clean Out CoversClean Out Cover Bolt Location Clean Out Cover Bolt AssemblyManifold Bracket Attachment Manifold InstallationsFigure FigureFigure 62 Burner Tube Through Rear Base Panel Follow all applicable local codesFigure Figure 64 BurnerTube LockedTo Rear Base PanelFigure JACKET INSTALLATIONFigure FigureFigures 69 Rear Panel Installation, 5 through Rear Panel Installation, 5 throughFigures 72 Rear Panel Installation, 13 through Figures 70 Rear Jacket Panel Installation Detailnecessary to attach the water or steam piping and Figure55175, Jacket Side Panels. Remove the knockouts controlsFigure FigureRear Top Jacket Panel, 5 through FigureSplice Panel Brackets FigureFigure FigureSplice Grill Assembly Front Access Panel 5 - 12 SectGrill Assembly Front Access Panel 13 - 21 SectFigure Pilot AssemblyGas Train Assemblies FigureWATER BOILER PIPING CONNECTIONS HEATING SYSTEM PIPINGFigure Supply Size in TableBoiler Model Return Size inFigure 97A Typical Single Boiler Steam Piping Figure 97 Water Boilers in BatteryStop Valve Steam Main ASME Safety Valve F & T Pres Controls LWCO Stop Valve Check Valve BlowoffStop Valve Check Valve Boiler Model Equivalent Pipe Length ChartTable RisersGas Supply Piping Electrical Power ConnectionsFigure FigureFigure Wire Duct and Control BoxThermostat Installation Water BoilersIntermittent Pilot Ignition Systems LIGHTING INSTRUCTIONSContinuous Pilot Systems Gas Pressure Adjustment BOILER CHECKING & ADJUSTMENT PILOT ADJUSTMENTPilot Flame Adjustment To Turn Off Gas To BoilerInput Rate BOILER MAINTENANCEThermostat Adjustment Low Water CutoffVent System Burner InstallationHeat Exchanger Cleaning ControlsPage Ref # Manifold Less Orifices Ref # Ref # ONLY QUALIFIED, LICENSED SERVICE CONTRACTORS SHOULD PERFORM WORK ON YOUR SMITH BOILERWESTCAST, INC 260 NORTH ELM STREET WESTFIELD, MA