A.O. Smith Proline® Master 40 gal Tall 40 MBH Residential Natural Gas Water Heater

AHWR4000L010000

Manufacturer Part #: 100274239

Capacity

40 gal

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DESCRIPTION

  • INTELLIGENT CONTROL LOGIC - The internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response to optimize performance
  • GREEN CHOICE® GAS BURNER - Patented eco-friendly burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements of less than 40 ng/J
  • DYNACLEAN DIFFUSER DIP TUBE - Helps reduce lime and sediment buildup and maximizes hot water output and is made from long lasting PEX cross-linked polymer
  • COREGARD ™ ANODE ROD - Our anode rods have a stainless steelcore that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods and ProLine Master products have increased anode protection with either longer, ormultiple anodes depending on model
  • PUSH-BUTTON PIEZO IGNITOR - Makes lighting the pilot fast and easy withone-hand push-button spark ignition
  • HEAT TRAP NIPPLES - Factory-installed for faster installation
  • BLUE DIAMOND® GLASS COATING - Provides superior corrosion resistancecompared to industry standard glasslining and this coating blend isformulated in the same lab that creates the protection for our industry-leading commercial product line
  • ENHANCED-FLOW BRASS DRAIN VALVE - Our residential water heaters have a solid brass, tamper resistant, enhanced-flow, ball type, drain valve
  • 8-year limited tank and parts warranty

SPECIFICATIONS

ANSI Specifications
ANSI Z21.10.1
Application
Residential
BTU
40000
Brand Model Compatibility
ProLine Master
Capacity
40 gal
Coating
Blue Diamond® Glass Coating
Collection
Proline® Master
Diameter
20 in
Drain Location
Center
Drain Opening
3/4 in
ETL Listed
No
Energy Factor
0.66
FM Approved
No
First Hour Rating
80
Fitting Size 2
3/4 in
Fuel Type
Natural Gas
GSA Approved
No
Height
61-3/4 in
IAPMO Listed
No
ISO Specifications
No
Ignition System
Push Button Ignition
MBH
40
Maximum Pressure
150 psi
NSF Certified
No
Origin
Domestic
Power Source
Gas
Supply Pipe Connection
1/2 in
UL Listed
No
Uniform Energy Factor UEF
0.66
Vent Type
Atmospheric Vent
Water Heater Capacity Range
30 - 40 gal
Water Heater Type
Tall
Weight
138

 
 
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