Sediment buildup can cause noise and reduce efficiency.
Note: Richmond is a brand of Rheem manufacturing. This model number follows typical Richmond gas water heater naming conventions (6G = 6 gallons? Actually, 40 = 40 gallons, 36F1 likely indicates BTU input and venting type). If this exact model is obsolete, this paper replicates the format and safety/operation details based on industry standards. richmond water heater model 6g40-36f1 manual
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– Richmond water heaters are primarily sold through Menards . You can find manuals on the Menards website under product support or by searching the model number. Sediment buildup can cause noise and reduce efficiency