Specs

Bridgestone Retail Operations, LLC
PROJECT MANUAL
Version: January 2012
1.5 WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or
replace components of fuel-fired, tankless domestic-water heaters that fail in materials or
workmanship within specified warranty period.
1. Failures include, but are not limited to, the following:
a. Structural failures including supports.
b. Faulty operation of controls.
c. Deterioration of metals, metal finishes, and other materials beyond normal use.
2. Warranty Periods: From date of Substantial Completion.
a. Gas-Fired, Tankless, Domestic-Water Heaters:
1) Heat Exchanger: Ten (10) years.
2) Controls and Other Components: Three (3) years.
PART 2 - PRODUCTS
2.1 GAS-FIRED, TANKLESS, DOMESTIC-WATER HEATERS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
1. Rheem Manufacturing Company; Rheem Water Heating.
2. Takagi.
B. Standard: ANSI Z21.10.3/CSA 4.3 for gas-fired, instantaneous, domestic-water heaters for
indoor application.
C. Construction: Copper piping or tubing complying with NSF 61 barrier materials for potable
water, without storage capacity.
1. Tappings: ASME B1.20.1 pipe thread.
2. Pressure Rating: 150 psig (1035 kPa).
3. Heat Exchanger: Copper tubing.
4. Insulation: Comply with ASHRAE/IESNA 90.1.
5. Jacket: Metal, with enameled finish, or plastic.
6. Burner: For use with tankless, domestic-water heaters and natural-gas.
7. Automatic Ignition: Manufacturer's proprietary system for automatic, gas ignition.
8. Temperature Control: Adjustable thermostat.
D. Support: Bracket for wall mounting.
E. Capacity and Characteristics:
1. Flow Rate: 4.3 gpm @ 77 deg temperature rise.
2. Temperature Setting: 140 deg F.
3. Fuel Gas Demand: See drawings.
FUEL-FIRED WATER HEATERS 15486 - 2