Controls - Gas Control Valve Suf 199 And 250 - State Water Heaters SUF60 Service Handbook

CONTROLS – GAS CONTROL VALVE SUF 199 AND 250
Pressure readings may be taken on the gas control valve by connecting to the pressure ports on the valve.
The manifold pressure on this valve is 0" WC (0 kPa) when the water heater is running. Refer to the "Gas
Pressure Specifications" table on Page 4.
Note: Tubing shown on pressure connections is installed for manometer connections. It is not supplied
with the water heater.
WARNING: Do not attempt adjustments on this gas control valve unless you have a combustion
analyzer. Contact the "help line" listed on the water heater for assistance.
Servicing should only be performed by a Qualified Service Technician 33