SubbasesforCombustibleFloorsDimensions

 

 

 

 

SubbaseforCombustible

Subbase

for Combustible

 

FloorDimensions

 

 

 

 

 

Floors

Part

Number

H*

J*

K**

 

 

 

 

 

Furnace

Subbase

 

 

 

 

NAHH001SB

 

1511/16

283/4

149/16

16

NAHH002SB

 

195/16

283/4

183/16

16

NAHH003SB

 

22_/16

28J/4

2113/16

16

NAHH010SB

 

243/4

283/4

239/16

161/4

Subbase

for

Coil Cabinets

 

 

 

 

NAHH004SB

 

1511/16

209/16

149/16

161/4

NAHH005SB

 

195/16

209/16

183/16

161/4

NAHH006SB

 

23

209/16

2113/16

161/4

NAHH009SB

 

2411/15

209/15

239/15

16

Outside Dimension

 

 

 

 

_* Base Spacer Side To Side

 

 

 

 

3.Set the base over the opening in the floor, centering it over the opening. Fasten the base to the floor with screws or nails. See Figure 38, Figure 39 and Figure 40.

4.Drop the plenum through the opening in the base. The flange of the plenum should rest on top of the subbase.

Opening

In Floor

Opening

In Base

Typical

Plenum

For Plenum

Dimensions

 

 

M

N

P

R

S

T

161/4

145/8

15

13112

15

131/2

161/4

181/4

15

17118

15

171/8

161/4

21//8

15

193/4

15

19_/4

161/4

235/8

15

221/2

15

221/2

161/4

145/8

15

131/2

15

131/2

161/4

181/4

15

171/8

15

171/8

161/4

21//8

15

193/4

15

19_/4

161/4

235/8

15

221/2

15

221/2

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Combustible

5.Position furnace or coil cabinet and furnace on subbase so it aligns between the locating tabs.

Furnace Subbase

T S

Combustible

FloorBase

Hj

25-20-46

FloorBase

J

25-20-46b

A 4 114" Minimum clearance ffomback of hole to wall or other obstruction.

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.... Setting the Subbase

Furnac_J" __

,g2t2,;at i lof

Floor Base

oo ,oor

_/'_

Plenum

25-20-46a

Wood Screw

This subbase for combustible floors has been designed so that the height of the subbase raises the downflow coil off the floor to allow

easy installation of the condensate drain. See Figure 41.

440O1102004

E_

Page 37
Image 37
Sears N9MP2080F16B1, N9MP2050B12B1, N9MP2075B12B1 SubbasesforCombustibleFloorsDimensions, FloorDimensions, Furnace Subbase

9MPD100J20B1, N9MP2100J20B1, 9MPD050F12B1, N9MP1100J20B1, N9MP1125J20B1 specifications

The Sears N9MP1075B12B1, N9MPD125L20B1, N9MP1050B12B1, N9MPD080J16B1, and N9MP2125J20B1 are part of the trusted line of gas furnaces manufactured by Sears, specifically designed to deliver reliable heating solutions for residential applications. These models incorporate cutting-edge technology and robust engineering, making them popular choices among homeowners looking for efficiency and comfort.

One of the main features of these models is their high-efficiency operation. With Annual Fuel Utilization Efficiency (AFUE) ratings exceeding 90%, these furnaces convert a significant portion of fuel into usable heat, thereby reducing energy costs. The N9MP series employs a multi-speed blower system that optimizes airflow for enhanced comfort while minimizing noise levels, ensuring a pleasant indoor environment.

The N9MPD125L20B1 and N9MPD080J16B1 variants highlight their adaptability through dual-stage heating capabilities. This technology allows the furnace to adjust its output based on the thermal demands of the home, preventing energy wastage during milder conditions while providing robust heating during extreme cold spells. The two-stage combustion process not only improves comfort but also contributes to lower greenhouse gas emissions.

Durability is another hallmark of these Sears models. With heavy-duty heat exchangers crafted from high-quality materials, they are built to withstand the rigors of regular use. Additionally, the inclusion of advanced safety mechanisms ensures that the system operates securely, reducing potential risks associated with gas furnaces.

The N9MP2125J20B1 model stands out due to its whisper-quiet operation. Homeowners can enjoy a warm home without the disruptive sound commonly associated with traditional heating systems, thanks to the insulated cabinet design and efficient blower operation.

Furthermore, these models come equipped with user-friendly digital thermostats, which allow precise temperature control and programmable settings, enabling homeowners to tailor their heating needs to fit their lifestyle. The compatibility with smart home systems also adds convenience, enabling users to manage their heating remotely, saving even more energy.

In conclusion, the Sears N9MP1075B12B1, N9MPD125L20B1, N9MP1050B12B1, N9MPD080J16B1, and N9MP2125J20B1 gas furnaces exemplify innovation in heating technology. Their energy-efficient designs, advanced features, and durable construction make them reliable choices for homeowners seeking comfort and sustainability in their heating solutions.