State Industries SERIES 108, SBD30 150, SBN85 390 (A), SBN71 120, SBD30 199 manual Sbn Sbd, Models

SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL

GAS WATER HEATER SERVICE HANDBOOK

DRAFT PROVING PRESSURE SWITCH - SETTINGS

Draft Proving Pressure Switch Table

SBN	SBD	Pressure Setting
Models	Models	To Close Switch
		(Inches W.C.)
366		(-) 1.60 ± .10"
275		(-) 2.00" ± .10"
310		(-) 1,75" ± .10"
120/200		(-) 2.40" ± .10"
154/180		(-) 2.60" ± .10"
	30-150/199	(-) 2.50" ± .10"

NOTE: Pressure Switch Contacts are Normally Open “N.O.” and close on a fall in pressure.

State Water Heaters	23	Technical Training Department
Ashland City, Tennessee © 2007