See our full
range by choosing the type of product above. |
GF1800
GF3800
MWH180
MWH180EX |
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Hundreds of
thousands of Monitor vented heating systems are used in homes
throughout North America. From Alaska to Florida, from Nova
Scotia to San Francisco, people are saving money while they
stay comfortable with safe and odorless heat. Monitor Heaters
employ only the latest technology to bring this heating
experience to their owners.
With Monitor
Systems
Say Goodbye to
Expensive
heating costs
Cold days and
nights of winter
Expensive
service calls |
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GF1800 |
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The Monitor GF1800 gas heater runs on either Natural Gas or Liquid Propane. This efficient supplemental heater can provide comfortable dependable heat to spaces up to 800 sq. ft.
This space heater has a beautiful contemporary cabinet. The GF1800 gas heater provides an efficient supplemental heat source that is reliable, clean, and safe.
This Monitor gas heater can be programmed to four different times and four different temperatures to match your family’s lifestyle. It also has a 7-day timer so you can customize the four time/temperature program for individual days of the week.
The Monitor GF1800 gas heater maintains a steady temperature, without the inefficient swings in temperature common to other supplemental heaters.
You can save even more money by using the Economy Plus mode. This special feature reduces the already low electrical consumption and prolongs component life, increasing your savings through the years.
Like all Monitor heaters, the GF1800 gas heater is a sealed combustion unit that uses outside air for combustion and sends all exhaust outside. Monitor’s “pipe-within-a-pipe” uses the smallest pipe in the industry, 2 ½ inches. This technology ensures steady comfortable heat with no fumes.
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Specifications |
High |
Low |
 |
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Natural Gas Input BTU
Rating / Hr |
20,000 |
12,600 |
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Natural Gas Output BTU
Rating / Hr |
16,000 |
10,200 |
LP Input BTU
Rating / Hr |
20,000 |
10,900 |
LP Output BTU
Rating / Hr |
16,100 |
10,900 |
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Natural Gas |
LP |
Natural Gas |
LP |
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Natural Gas Inlet Gas
Pressure |
MAX 10.5" w.c. (267 mm H2O) |
MAX 13.0" w.c. (330 mm H2O)
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MIN 5.1" w.c. (130 mm H2O)
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MIN 11.0"w.c.
(279 mm H2O)
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Natural Gas Manifold
Pressure |
3.15" w.c.
(80 mm H2O)
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3.19" w.c.
(81 mm H2O)
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Electrical
Rating |
120 V AC, 60 Hz, 2 A Max |
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Power
Consumption |
65 Watts |
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Circulation
Fan Capacity |
High 176 CFM, Low 113 CFM |
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Dimensions |
25.6" H by 20.9 W" by 12.4" deep |
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Weight |
55 lbs. |
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AFUE |
83% |
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GF3800 |
The GF 3800 can provide
comfortable dependable heat to spaces up to 1500 sq. ft. The
GF 3800 has a Seven-Day Programmable thermostat, Child lock,
Auto reset after power outages, and beautiful contemporary
styling.
The GF 3800, like all Monitor Heating Systems, is a
sealed, combustion unit that uses outside air for combustion
and sends all exhaust outside. Outside air is drawn through a
pipe-within-a-pipe venting system. This process preheats
combustion air regaining heat from the exhaust gases. |
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Specifications |
High |
High/Medium |
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Natural Gas Input BTU
Rating / Hr |
38,000 |
21,600 |
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Natural Gas Output BTU
Rating / Hr |
30,700 |
17,500 |
LP Input BTU
Rating / Hr |
34,500 |
21,600 |
LP Output BTU
Rating / Hr |
27,900 |
17,500 |
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Natural Gas |
LP |
Natural Gas |
LP |
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Natural Gas Inlet Gas
Pressure |
MAX 10.5" w.c.
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MAX 13.0" w.c.
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MIN 5.1" w.c.
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MIN 11.0" w.c.
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Natural Gas Manifold
Pressure |
3.4" w.c.
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3.15" w.c.
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Electrical
Rating |
120 V AC, 60 Hz, 2 A Max |
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Power
Consumption |
60 Watts |
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Circulation
Fan Capacity |
High 388 CFM, Low 300 CFM |
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Dimensions |
26.6" h x 28.7 w x 14" deep |
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Weight |
82 lbs. |
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AFUE |
83% |
| MWH180 |
The MWH180 tankless gas water heater is 82% or more efficient. On demand tankless gas water heaters provide a continuous supply of hot water at published flow rates with a preset temperature of 120°F; only heating water needed, cutting water heating costs up to 50%. The compact design of the MWH180 tankless water heater allows for indoor installation virtually anywhere.
The MWH180 has a maximum water capacity of 5.8 gallons per minute at a 54°F temperature rise which allows you to use hot water at up to three plumbing fixtures simultaneously. A remote control is included. An additional remote control for enhanced performance is available.
Features:
- Built-in signal notifies the microprocessor to start the burner operation when the faucet is open and to stop when closed
- Energy efficient electronic ignition system grants significant savings in energy and money
- Advanced control system uses a sensor to maintain a constant outgoing water temperature
- For added safety the microprocessor limits the maximum temperature of the hot water to 120°F when not using the remote control
- Service codes are displayed on a remote control specifying diagnostics during maintenance calls
- Designed to prevent varying temperature of hot water when the faucet is cycled on and off, quick response mode for rapid heating
- 12 year warranty for the heat exchanger and one year reasonable labor
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Specifications |
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| Maximum gas input rate |
180,000 BTU/h |
| Minimum gas input rate |
20,000 BTU/h |
| Hot water capacity range |
0.58 – 5.8 GPM |
| Maximum hot water capacity (54°F rise) |
5.8 GPM |
| Temperature range (with remote) |
96°F – 140°F |
| Maximum water supply pressure |
150 psi |
| Minimum water supply pressure |
15 psi |
| Connections |
Gas |
3/4″ MNPT |
| Hot water outlet |
3/4″ MNPT |
| Water inlet |
3/4″ MNPT |
Included accessory
|
Remote controller |
| Power
Consumption |
61 Watts (Normal), 3.7 W (Standby), 84 W (Anti-Frost) |
| Dimensions |
24" H by 13.8 W" by 8.75" deep |
| Noise Level |
49 dB |
| Weight |
43 lbs. |
 Download Owner’s Manual |
Download Water Flow Rate |
| |
| MWH180EX |
The MWH180EX tankless water heater is designed for installation outside the house. It is 82% or more efficient. On demand tankless gas water heaters provide a continuous supply of hot water at published flow rates with a preset temperature of 120°F; only heating water needed, cutting water heating costs up to 50%. The compact design of the MWH180EX tankless water heater allows for outdoor installation virtually anywhere.
The MWH180EX has a maximum water capacity of 5.8 gallons per minute at a 54°F temperature rise which allows you to use hot water at up to three plumbing fixtures simultaneously. A remote control is included. An additional remote control for enhanced performance is available. To protect the MWH180EX from severe weather conditions a recess box (RB-100) is available.
Features:
- Built-in signal notifies the microprocessor to start the burner operation when the faucet is open and to stop when closed
- Energy efficient electronic ignition system grants significant savings in energy and money
- Advanced control system uses a sensor to maintain a constant outgoing water temperature
- For added safety the microprocessor limits the maximum temperature of the hot water to 120°F when not using the remote control
- Service codes are displayed on a remote control specifying diagnostics during maintenance calls
- Designed to prevent varying temperature of hot water when the faucet is cycled on and off, quick response mode for rapid heating
- 12 year warranty for the heat exchanger and one year reasonable labor
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Specifications |
 |
| Maximum gas input rate |
180,000 BTU/h |
| Minimum gas input rate |
20,000 BTU/h |
| Hot water capacity range |
0.58 – 5.8 GPM |
| Maximum hot water capacity (54°F rise) |
5.8 GPM |
| Temperature range (with remote) |
96°F – 140°F |
| Maximum water supply pressure |
150 psi |
| Minimum water supply pressure |
15 psi |
| Connections |
Gas |
3/4″ MNPT |
| Hot water outlet |
3/4″ MNPT |
| Water inlet |
3/4″ MNPT |
Included accessory
|
Remote controller |
| Power
Consumption |
61 Watts (Normal), 3.7 W (Standby), 84 W (Anti-Frost) |
| Dimensions |
22.63" H by 13.8 W" by 6.5" deep |
| Noise Level |
49 dB |
| Weight |
43 lbs. |
| Download Owner’s Manual |
Download Water Flow Rate |
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