Product Overview

ManualsBrandsAO Smith ManualsPlumbing Supplies40 Gallon ProLine Master Commercial Grade Residential Electric Water Heater - Tall Model

www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

Page 1 of 2

AOSRE50607

COMMERCIAL-GRADE HEATING

ELEMENTS

• Dual 4500 watt elements for fast recovery

and reliable operation.*

• Stainless steel upper & lower elements

last longer than a standard copper

element.

DYNACLEAN

™

DIFFUSER DIP TUBE

• Helps reduce lime and sediment buildup

and maximizes hot water output. Made

from long-lasting PEX cross-linked

polymer.

HIGH ENERGY FACTORS

• Eco-friendly non-CFC foam insulation,

heat traps and other features combine

to yield a higher Energy Factor that

maximizes savings on operating costs.

COREGARD

™

ANODE ROD

• Our anode rods have a stainless steel

core that extends the life of the anode

rod allowing superior tank protection far

longer than standard anode rods.

• ProLine Master products have increased

anode protection with either longer, or

multiple anodes depending on model.

BLUE DIAMOND

GLASS COATING

• Provides superior corrosion resistance

compared to industry standard glass

lining.

• Blue Diamond

Glass coating blend is

formulated 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.

• Uses a standard female hose ﬁtting that

allows for fast and easy draining during

maintenance.

• Designed for easy operation, this valve

includes an integral screwdriver slot that

features a ¼ turn (open/close) radius,

which not only permits full straight-

through water ﬂow but also a quick and

positive shut off.

CODE COMPLIANCE

• Meets UBC and ICC National Codes and

listed with CEC.

• Complies with the Federal Energy

Conservation Standards effective

April 16, 2015, in accordance with the

Energy Policy and Conservation Act

(EPCA), as amended.

APPROVED FOR MANUFACTURED

HOUSING

• All residential electric water heaters are

compliant with HUD Standards for mobile

homes/manufactured housing.

CERTIFIED TO UL 174 FOR HOUSEHOLD

ELECTRIC WATER HEATERS

CSA CERTIFIED AND ASME RATED T&P

RELIEF VALVE

DESIGN-LISTED BY UNDERWRITERS

LABORATORIES

• Certiﬁed at 300 psi test pressure and 150

psi working pressure.

• Listed according to UL 174 standards

governing storage tank-type electric water

heaters.

8-YEAR LIMITED TANK AND PARTS

WARRANTY

PROLINE

MASTER

COMMERCIAL-GRADE RESIDENTIAL

* Standard wattage, other options available

COMMERCIAL-GRADE

RESIDENTIAL ELECTRIC WATER HEATERS

Summary of content (2 pages)

PAGE 1
COMMERCIAL-GRADE RESIDENTIAL ELECTRIC WATER HEATERS PROLINE® MASTER COMMERCIAL-GRADE RESIDENTIAL COMMERCIAL-GRADE HEATING ELEMENTS • Designed for easy operation, this valve includes an integral screwdriver slot that features a ¼ turn (open/close) radius, • Dual 4500 watt elements for fast recovery which not only permits full straightand reliable operation.* through water flow but also a quick and • Stainless steel upper & lower elements positive shut off. last longer than a standard copper element.
PAGE 2
COMMERCIAL-GRADE RESIDENTIAL ELECTRIC WATER HEATERS Gallon Capacity First Hour Rating Gallon Energy Factor Recovery @ 90°F Rise Gallon Per Hour HNT 40 40 50 0.95 HNT 50 50 73 HNT 55 55 HNS 40 HNS 50 Model Number Element Wattage 240V Dimensions in Inches Standard Maximum A B C Approx. Shipping Weight (lbs) 21 4500 6000 61-1/2 53-1/4 18 118 0.95 21 4500 6000 60-1/2 51-1/4 20-1/2 125 76 0.94 21 4500 6000 56-1/2 48-1/2 24 145 40 55 0.