Numbers and Titles



22 34 00 Fuel-Fired Domestic Water Heaters
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Includesfuel-fired equipment to heat domestic water.
Alternate Terms/Abbreviationsresidential: household.
See22 10 00 for plumbing piping and pumps. 22 33 00 for electric domestic water heaters. 22 35 00 for domestic water heat exchangers. 23 51 00 for breechings, chimneys, and stacks.
22 34 13Instantaneous, Tankless, Gas Domestic Water Heaters
22 34 30Residential Gas Domestic Water Heaters
22 34 36Commercial Gas Domestic Water Heaters
22 34 46Oil-Fired Domestic Water Heaters
22 34 56Dual-Fuel-Fired Domestic Water Heaters