This website is intended to assist licensed professionals in the exercise of their professional judgement.

NP Series Negative Pressure Unitary Heaters

General Technical Data

NP Unitary
Tube Lengths•Inputs•Weights•General Info•Clearances to Combustibles

NP Multiburner
Tube Lengths•Inputs•Weights•General Info•Clearances to Combustibles



NP Unitary Tube Lengths
Model
 		40 60 80 100 125 150 175 200
Min. Straight Tube Length
 		10 20 20 30 40 40 50 50
Min. U-Tube Length
 		11,6 11,6 11,6 16,6 21,6 21,6 26,6 26,6
Overall Min. Tube Length
 		12,3 22,3 22,3 32,3 42,3 42,3 52,5 52,5
Overall Min. U-Tube Length
 		13,2 13,2 13,2 18,2 23,2 23,2 28,2 28,2
* For additional lengths, please see the current Installation, Operation and Service Manual
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Inputs
Model
 		40 60 80 100 125 150 175 200
Inlet Pressure (NG min)
 4.6 4.6 4.6 4.6 4.6 4.6 5 5
Inlet Pressure (LPG Propane min)
 		11 11 11 11 11 11 11 11
Inlet Pressure (NG & LPG Propane max)
 		14 14 14 14 14 14 14 14
Gas Connect (NPT)
 		½" ½" ½" ½" ½" ¾" ¾" ¾"

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Weights
Tube & Accessory Pkg. Length (ft)
 10 20 30 40 50 60 70 80
Hot Rolled or Aluminized Tube w/ Alum. Reflector (lb)
 		52 86 120 161 206 240 281 322
Aluminized Tube w/ Stainless Reflector (lb)
 		66 113 152 208 265 304 360 416
Burner
 		35
Alumn. U-Tube w/ Alumn. End Caps
 		19
Alumn. U-Tube w/ Stainless End Caps
 		20


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General Information

Fuel
 NG or LPG Propane
Electrical Supply
 120V,60Hz,1A
Heat Exchanger Tube
 10 ft Sections, 4" dia, 16 Gauge, First 10 ft ALUMI-THERM® Steel Tubing [Remaining Hot Rolled or Heat Treated Aluminized Tubing]
Exhaust Flue (dia.)
 4"
Reflector and End Caps
 .024 Aluminum [Optional - .024 Stainless Steel Type 304]
Control System
 Fully Automatic, Three-Try, 100% Shut-Off, Direct Spark Electronic Ignition Control
Approved as
 Indoor (Vented or Unvented)
Certification
 ANSI Z83.20/CSA 2.34, 2.17
Warranty
 Three-Year Limited (Refer to Installation, Operation and Service Manual for Details)

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NP Multiburner Tube Lengths
Model
 		40 60 80 100 125 150 175 200
Radiant Tube Length
 		20 30 30 40 50 50 60 60
Dist. From Burner to Elbow
 		10 10 10 15 15 20 20 20
Elbows Allowed Per Burner
 		2 2 2 2 2 2 2 2
Number of Burners
Per EP-100 Pump**(Max.)
 		4 4 4 4 4 3 2 2
Number of Burners
Per EP-200 Pump**(Max.)
 		6 6 6 6 6 5 4 4
Number of Burners
Per EP-300 Pump**(Max.)
 		16 16 14 12 12 10 8 8
* For additional lengths, please see the current Installation, Operation and Service Manual
** For altitudes of up to 2000'(610m); consult Installation, Operation and Service Manual for higher altitudes
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Clearances to Combustables (in.)
Model
40
60
80
100
125
150
175
200
*
Hrz.
45°
Hrz.
45°
Hrz.
45°
Hrz.
45°
Hrz.
45°
Hrz.
45°
Hrz.
45°
Hrz.
45°
A
5
8
5
8
5
9
5
10
5
10
5
10
8
10
8
10
B
20
4
27
4
30
4
32
4
35
4
39
4
44
4
47
4
C
41
35
51
45
58
54
60
57
65
63
71
66
74
69
76
73
D
20
43
27
45
30
55
32
56
35
58
39
61
44
68
47
71
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Installation Code and Annual Inspections:
All installations and service of BANANZA® equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Bananza and conform to all requirements set forth in the BANANZA® manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment. To help facilitate optimum performance and safety, Bananza recommends that a qualified contractor annually inspect your BANANZA® equipment and perform service where necessary, using only replacement parts sold and supplied by Bananza.

Further Information:
Applications, engineering and detailed guidance on systems design, installation and product performance is available through BANANZA® representatives. Please contact us for any further information you may require, including the Installation, Operation and Service Manual.

BANANZA® products are not for residential use.

BANANZA® documents are intended to assist licensed professionals in the exercise of their professional judgement.