Document NGRKeYdd13VeVMaLV7xBkX1wD
Heaters, Water
McDermott Water Heaters, Inc.
101 Park Avenue
New York City
SOLD BV JOBBERS AND BOILER MANUFACTURERS
Installation--Minimum cost and time
required for the installation of McDermott
Water Heaters are outstanding features.
The reason is as follows: A clearance hole
(not threaded) is cut in a few minutes.
Two holes are drilled alongside and tapped
%/%" (pipe size). The
stud bolts
furnished are placed in the two holes and
when the nuts are on the job is done.
It's a flange connection. 1 gasket (also
serves as a template), a thermometer, 1
pressure relief 125 lbs., complete instruc
tions and blue print of connections between
boiler and tank accompany each shipment.
Specify the number of longest units 2"
shorter than the longest boiler tubes, that
will total the tank requirements.
For Tankless Heaters specify 4 V4106
or 3, if V4108, M4210 or M4212 units
Ratings When Used With Tanks
Size
Length
Capacity, Gallons
Tank Con nections
Inches
V4103 V4I06 V4I08 M42I0 M4212
V O' 6' O' 8' O' 10' O' 12' O'
150 245 350 550 800
w M/'
1%' 2' 2'
Ratings based on 100 temperature rise in three hours and delivery is assured as rated.
are used. They connect in series, 1)4" pipe if V type, and raise 9,000 G.P.H. 140 F. If M type, no .larger than 2" pipe is used to series the units which will raise
19,000 G.P.H. 140 F. Both ratings at 50 lb. pressure and 200 F. boiler water. McDermott Tankless units enable you to specify any tubular boiler for instantaneous water heating.
Tested at 450 lbs. and Guaranteed for one year.
Sixty-six Questions and Answers-- A letter size book that helps solve water heating problems, should be in your files.
The First Submerged Unit in New York was installed by McDermott. McDermott patented features are not procurable elsewhere.
heater control
AND CLEAN-OUT VALVES
HOT WATER SUPPLY 'TO BUILDING
HOT WATER RETURN FROM BUILDING
BOILER WATER TEMPERATURE FOR
SUMMER FIRING
702
Heaters, Water
The National Pipe Bending Co.
104 River Street, New Haven, Conn,
Atlanta, Ga.
Baltimore, Md. Boston, Mass.
Offices in the Following Cities:
Butts, Mont.
Chicago. III. Cincinnati, Ohio
Cleveland, Ohio
Denver. Colo. Duluth. Minn.
Los Angeles, Calif.
Memphis, Tenn. Minneapolis, Minn.
New York, N. Y.
Philadelphia, Pa. Pittsburgh, Pa.
PRODUCTS--Water Storage Heaters, Instantaneous Water Heaters, Swimming Pool Heaters, Feed Water Heaters, Coal Burning Tank Heaters, Oil Burning Tank Heaters, Special Heaters, Coolers for
all purposes, Colls and Bends of Pipe and Tubing.
A line of well built heaters stocked in sizes and capacities most generally used. Equipped with U-Betad heating element of
Furnished in Water or Steam Tube types for gravity or pressure circulation.
Anaconda Copper. Steel Tank. Im
Heats water as it flows either con
proved flanged T cover gives unrestricted tinuously or intermittently. Built for
flow area for entering steam. Tested to steam pressures up to 75 lb. per sq. in.
100 lbs. working pressure, 150 lbs. hy U-Bend copper tubes through which the
T
drostatic pressure. For installations re quiring heaters other than listed below use
water passes are fitted into a cast iron or
regular National individually engineered steel shell through which the steam for
heaters described in Bulletins No. 55, 57, heating is passed. Made in sizes from 210
65. Our engineering service is at your to 12,000 gal. of hot water per hour at
command.
temperatures from 40 to 180 F.
DATA to be used with RED HEAD Heaters
SHELLS (Horizontal) Manhole 11* z 15' in all aizes above 18'.
HEATING ELEMENTS Temperature range based oo beating water from 50 degrees to 180 degrees F. at steam pres
sure 0 to 51b*.
No.
Gallons
Size
Thickness Thickness Weight
One Filling of Shell of Shell of Head of Shell
No.
Gallons per Hour
Smallest Shell
into which element goes
Inches
Weight of Element
Lbs.
A
80 I8x 72
Hi
Vb
380 NS-I
80 I8x 72
85
B
141 24* 72
Hi
%
530 NS-2
100 I8x 72
88
C
220 30s 72
Va
Hi
670 NS-3
150 I8x 72
%
D
310 36x 72
V*
Hi
1020
NS-4
200 18x 72
117
E
365 36x 84
Vi
Hi
1130
NS-5
250-
I6x 72
122
F
475 36x108
Vi
Hi
1350
NS-6
300 I8x 72
185
G H
575 42x 96 645 42x108
Hi Hi
'<AA
1750 1900
NS-7 NS-8
350 36x 84 400 36x 84
189 195
I
720 42x120
Hi
Vi
2050
NS-9
450 42x %
205
J K
860 42x144 940 48x120
,`J*
Hi
VVii
2350
NS-10
500
42x 96
2410
NS-11
600 42x 96
210 260
L
1130
48x144
Hi
'A
2770
NS-12
700
42x108
270
M
1300
48x168
Hi
Vi
3100
NS-I 3
600
42x108
285
N 1425 ' 54x144 ` %
Hi
3750
NS-14
900
42x108
343
\
0
1665
54x168
Vs
Hi
4300
NS-I 5
1000
42x108
357
P
2000
60x168
Hi
Hi
.5200
NS-16
1250
42x108
440
Q
2460
72x144
Vi
%
6500
NS-17
1500
42x108
468
R
2875
72x168
Vi ' Vt
7600.
NS-I 8
1750
42t!08
575
NS-19
2000
42x108
620
1 NS-20
2500
42x106
755
How to Specify NATIONAL RED HEAD STORAGE HEATERS- . Combine the number of the required storage and heating elements. To heat 1000 gallons per hour with a storage capacity of approximately 500 gallons, refer to tables above and spefcify one National Red Head Heater NS-15-F.
703
A