Gas water heater services in Rowlett, TX vary by the type of work. Thermocouple replacement runs $150 to $250. Gas valve replacement costs $250 to $450. Pilot assembly repair or replacement is typically $175 to $300. Venting inspection and repair ranges from $150 to $400 depending on the extent of the work. New gas water heater installation starts at $1,200 for a standard atmospheric vent model and goes up to $3,500 for high-efficiency condensing units. For a detailed breakdown, see our guide on electric vs gas water heater guide.





