All installations and services must be performed by qualified service personnel.

Yes

DOES FURNACE OPERATE

No

WITHOUT CONDENSING?

IS STACK TEMPERATURE No

ABOVE 350 DEGREES F?

Yes

HAS THE BURNER COMBUSTION BEEN SET AS INDICATED IN ABOVE SECTION?

Yes

IS THE TEMPERATURE DIFFERENCE BETWEEN SUPPLY AND RETURN AIR 70 DEGREES F OR MORE?

No

No

GO TO PROPER COMBUSTION ACHIEVED SECTION ABOVE AND SET COMBUSTION

ADJUST BLOWER SPEED TO RAISE TEMPERATURE RISE.

Yes

Yes

--INCREASE LENGTH OF BURNER ON CYCLE

--INSULATE CHIMENY WITH CHIMNEY LINER.

TROUBLE SHOOTING ENDS.

REPEAT PROCEDURE UNTIL TROUBLE FREE OPERATION IS OBTAINED.

EFFECTS OF PRESSURE ON NOZZLE FLOW RATE

NOZZLE

NOZZLE FLOW RATES IN

RATING

GALLONS PER HOUR (Approx.)

AT

80PSI

120PSI

140PSI

100 PSI

 

 

 

 

.50

0.45

0.55

0.59

.65

0.58

0.71

0.77

.75

0.67

0.82

0.89

.85

0.76

0.93

1.00

.90

0.81

0.99

1.07

1.00

0.89

1.10

1.18

1.10

0.99

1.21

1.30

1.20

1.07

1.31

1.41

1.25

1.12

1.37

1.48

 

 

 

 

NOZZLE

NOZZLE FLOW RATES IN

RATING

GALLONS PER HOUR (Approx.)

AT

80 PSI

120 PSI

140 PSI

100 PSI

 

 

 

 

1.35

1.21

1.48

1.60

1.50

1.34

1.64

1.78

1.65

1.48

1.81

1.95

1.75

1.57

1.92

2.07

2.00

1.79

2.19

2.37

2.25

2.01

2.47

2.66

2.50

2.21

2.74

2.96

2.75

2.44

3.00

3.24

3.00

2.69

3.29

3.55

 

 

 

 

16

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Thermo Products MO-425 manual Effects of Pressure on Nozzle Flow Rate
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MO-425 specifications

The Thermo Products MO-425 is an advanced heating solution designed for both residential and commercial applications. Known for its efficiency and innovative features, the MO-425 stands out in the market for those seeking reliable performance in temperature control.

One of the key characteristics of the MO-425 is its energy efficiency. It utilizes cutting-edge technology that minimizes energy consumption while optimizing heating output. The unit is equipped with a high-efficiency motor that reduces electricity usage, making it an eco-friendly choice for consumers concerned about energy costs and environmental impact.

The MO-425 also boasts a robust construction designed for durability. Made from high-quality materials, the unit is built to withstand the rigors of frequent use while maintaining its performance over time. This reliability is complemented by an advanced heating element that provides consistent warmth, ensuring that users enjoy a comfortable environment regardless of weather conditions.

In terms of controls, the Thermo Products MO-425 features a user-friendly interface, allowing for easy adjustments to temperature settings. The digital thermostat enables precise temperature control, which not only enhances comfort but also contributes to energy savings. Additionally, the unit has programmable features, allowing users to set heating schedules according to their routines, further promoting efficiency.

Another notable feature of the MO-425 is its quiet operation. The design includes sound-dampening technology that reduces noise levels during operation, making it suitable for use in living spaces, offices, and other environments where peace and quiet are essential.

The MO-425 is also versatile, offering multiple installation options to accommodate various spaces. It can be mounted on walls or used as a portable unit, making it adaptable to different room layouts and heating needs. This flexibility ensures that users can find the ideal setup for maximizing warmth and comfort in their environments.

Additionally, the Thermo Products MO-425 is backed by excellent customer support. Users can rely on a robust warranty and access to assistance for any inquiries, ensuring a positive ownership experience.

Overall, the Thermo Products MO-425 is a top-tier heating solution that combines efficiency, durability, and user-friendly features. Whether for residential or commercial use, it addresses the critical needs of modern heat management, making it a valuable addition to any home or workspace.
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