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Your result
REPAIR
Your unit is older than half its expected lifespan, but the repair quote is still below the 50% replacement-cost threshold. Repair makes sense.
Thresholds: 50% of replacement cost = $750.00; half lifespan = 5 years.
Safety: Gas smell means leave the house and call the gas utility. Turn off the breaker before touching electric elements (240V). TPR valve and gas-line work belong to a licensed plumber. All cost ranges are based on publicly sourced data and should not replace a written quote from a local contractor.