State Industries STC-077 dimensions Component Information, Orifice Table

S U F S E R V I C E H A N D B O O K

C O M P O N E N T I N F O R M A T I O N

COMPONENT INFORMATION

FLAME SENSING ROD

PART NUMBER	FLAME SENSING CURRENT		COMMENTS
192478	0.7 Micro Amp (µ)		SUF 150, 199, & 240
HOT SURFACE IGNITOR (HSI)
PART NUMBER	VOLTAGE	AMP	OHMS COLD	COMMENTS
192638	120 VAC	1.0	50 – 300	SUF 150, 199, & 240

ORIFICE TABLE

ORIFICE TABLE

SUF MODEL	MAIN BURNER	MAIN ORIFICE SIZE	AIR ORIFICES	AIR ORIFICE
	ORIFICE NO.	INCHES	PT. NO.	SIZE — INCHES
150	192477-1	0.235	192450-1	0.875
199	192477-0	0.304	192450-0	1.031
240	192477-2	0.360	192450-2	1.196
150 Prop	192477-5	0.141”	192450-5*	0.872
199 Prop	192477-4	0.166”	192450-4*	1.150

* -4 and -5 stamped with “P” for Propane

N O T E : Hex head of main burner orifice is upstream end — gas flows out of tapered end.

Technical Training Department	32	State Water Heaters
STC-077		Ashland City, Tennessee © 2004