3.Timehowmanysecondsittakesthesmallestdialonthegas NOTE:Ifmeterusesa2cubicfootdial,divideresults(seconds)by

metertomakeonecompleterevolutionRefertoExample.. two.

4.Relightallappliancesandensureallpilotsareoperating.

!i!i!i!!ii

!i!i ilii!iiii!!

 

 

 

 

 

 

Typica,GasPipiog,orU .ow

 

 

 

 

 

Drip Legand Union,Union* shouldbe outside the

 

Gas Pipe Grommet(SinglePipe)

 

dripleg,union, andfurnace.

Manual shut-off

 

 

 

 

cabinet.Manual shut-off valveMUST be upstreamof

"_ _Y

/

_//_

Use elbows and3" pipenippleto connectvalveto

_

 

 

 

 

on some models.

.

/ \

/_

_

\ /

have 1 or 2

I Typical Gas Piping for Downflow

Use elbows and 3" pipe nipple to connect valve to piping when using left side gas pipe

 

 

 

 

 

 

 

 

Manual shut- off

 

 

 

 

 

LP

Low

pressure

valve

 

 

 

 

 

switch.

Optional

LP

 

 

 

 

 

 

conversion.

 

 

 

 

 

Drip Leg and Union, Union* should be

 

 

 

 

the

cabinet.

Manual

shut-off

valve MUST

be

 

 

 

upstream

of dripleg,

union, and furnace.

 

 

 

 

 

 

 

 

 

Gas

Pipe Grommet

*Union

may

be installed

inside the

cabinet

when

necessary

(Single Pipe)

because

of

clearances.

 

 

 

 

 

 

 

4odels may have 1 or 2 pressure switches

25-23-39

Gas Piping Requirements

NOTE: The gas supply line must be installed bya qualified service technician in accordance with all building codes, (In the state of

Massachusetts, gas supply connections MUST be performed by a licensed plumber or gas fitter).

1.Properly size gas pipe to handle combined appliance load

or run gas pipe directly from gas meter or LP gas regulator. Refer to NFGC and ANSI Z223.1 for proper gas pipe size.

2.Install correct pipe size for run length and furnace rating.

3.Measure pipe length from gas meter or LP second stage regulator.

[_1

440 01 1020 04

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Sears N9MP1100J20B1, N9MP2050B12B1, N9MP2080F16B1 Gas Piping Requirements, Manual shut- off, Low Pressure, Valve, 25-23-39

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.