Controls - Gas Valve, Orifice Chart - Suf 300/400 - State Water Heaters SUF 130 THRU 500 User Manual

CONTROLS – GAS VALVE, ORIFICE CHART – SUF 300/400
The gas control valve has a built-in field adjustable pressure regulator. The gas valve for the SUF Natural
gas model is shown below. This is a 24V. solenoid operated gas valve.
Low Gas
Pressure
Switch
Refer to the replacement parts information at the back of this manual for part numbers for Natural and LP
gas valves for all SUF 300 and 400 models.
ORIFICE CHART – SUF 300, 400
Model 300
Natural .274"
LP .189"
400
.314"
.219"
Servicing should only be performed by a Qualified Service Agent 35