Page 512 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 407

Tankless Water Heaters

Tankless gas water heater. Gas tankless water heater with standing pilot. Hangs on the wall to save
floor space. Provides endless hot water for one major application at a time. Made of high-quality plastic,
brass, and copper. 18" wide x 30" high x 9" deep. 15-year warranty on heat exchanger. Replaces
40-gallon tank-style water heater. Natural gas or propane. Requires electric connection for ignition.
Includes pipe connection labor. Add for water pipe, fitting materials and permit costs if required
150,000 Btu P1@3.25 Ea 874.66 128.90 1,003.56

Tankless gas water heater power vent kit. For Bosch AquaStar. http://www.houseneeds.com/
Power vent kit P1@2.50 Ea 438.34 99.18 537.52

Tankless electric water heater, PowerStar™. Designed to replace a 40-gallon electric storage tank
water heater. Mounts on the wall. Electronic flow switch. Electronic thermostatic control. 10-year
warranty. 99% efficiency rating. Glass reinforced plastic heat exchanger. 1/2" compression fitting
connections. Filter screen on inlet. Thermal safety cut out. Add the cost of electrical source as required.
Includes pipe connection labor. Add for pipe and fitting material costs if required.
240 volts, 17kW P1@2.15 Ea 548.43 85.29 633.72
240 volts, 27kW P1@2.15 Ea 795.88 85.29 881.17

Point-of-use electric water heater, Ariston GL4 Mini-Tank. 4-gallon capacity. 6-year warranty.
Adjustable thermostatic control. Glass-lined tank. Includes temperature/pressure relief valve. Plugs into
standard 110-volt outlet. Dimensions: 14" x 14" x 12". Installs independently or in-line with larger hot
water source. Meets ASHRAE 90.1 Standard. UL listed. Includes pipe connection labor. Add for pipe
and fitting material costs if required.
4 gallon P1@2.15 Ea 264.62 85.29 349.91

Point-of-use electric water heater, PowerStream™. For under-sink applications. 5-year warranty.
Solid copper heat exchanger. Mounts in any direction. Must be hardwired. Add the cost of electrical
source as required. Includes pipe connection labor. Add for pipe and fitting material costs if required.
240 volts, 9.5kW P1@2.15 Ea 241.39 85.29 326.68

Water Hammer Control

Water hammer arrester.
1/2" male threaded P1@.250 Ea 11.51 9.92 21.43
3/4" male threaded P1@.250 Ea 11.51 9.92 21.43

Water surge shock absorber. Water hammer arrestor. O-ring sealed air chamber maintains 60 PSI.
Air charge absorbs high-pressure surge caused by quick closing of valves. Eliminates need for risers.
Stops banging noises in pipes.
1/2" male threaded P1@.250 Ea 13.74 9.92 23.65
For washing machine line P1@.250 Ea 16.26 9.92 26.18