Operating instructions
General Safety Information 
(Continued)
GENERAL HAZARD 
WARNING: Failure 
to comply with the precautions and 
instructions provided with this heater can 
result in death, serious bodily injury, and 
property loss, or damage from hazards of 
fire, explosion, burn, asphyxiation, 
carbon monoxide poison ing, and/or 
electrical shock. Only persons who can 
understand and follow these instructions 
should use or service this heater. If you 
need assistance or heater information 
such as an instruction manual, labels, etc. 
contact your local Grainger branch.
FIRE, BURN, 
INHALATION, AND 
EXPLOSION HAZARD: Keep solid 
combustibles such as building materials, 
paper, or cardboard, at a safe distance 
away from heater as recom mended by 
the instructions. Never use the heater in 
spaces which do or may contain volatile 
or airborne combustibles or products 
such as gasoline, solvents, paint thinner, 
dust particles, or unknown chemicals.
Not for home or 
recreational vehicle 
use.
California Proposition 65 Warning: 
Fuels used in gas or oil fired appliances 
and the products of combustion of such 
fuels, contain chemicals known to the 
State of California to cause cancer, birth 
defects or other reproductive harm. This 
product contains chemicals, including 
lead and lead compounds, known to 
the state of California to cause cancer, 
birth defects or other reproductive harm. 
Wash hands after handling.
- The heater is designed and approved 
for use as a construction heater in 
accordance with CSA 2.14b-2009, 
ANS Z83.7b-2009. CHECK WITH YOUR 
LOCAL FIRE SAFETY AUTHORITY 
IF YOU HAVE QUESTIONS ABOUT 
APPLICATIONS. 
- Other standards govern the use of fuel 
gases and heat producing products 
in specific applications. Your local 
authority can advise you about these.
- Do not use the heater in occupied 
dwellings.
- Do not use heater in living or sleeping 
quarters.
-For either indoor or outdoor use. 
 Adequate ventilation must be 
 provided.
Carbon Monoxide 
Poisoning: Some 
people are more affected by carbon 
monoxide than others. Early signs of 
carbon monoxide poisoning resemble the 
flu, with headaches, dizziness, and/ or 
nausea. If you have these signs, the 
heater may not be operating properly. 
Get fresh air at once! Have heater 
serviced.
Propane Gas: Propane gas is odorless. An 
odor-making agent is added to propane 
gas. The odor helps you detect a propane 
gas leak. However, the odor added to 
propane gas can fade. Propane gas may 
be present even though no odor exists.
Carefully install and 
always use great care 
when operating this heater. Be sure to 
research and follow all local ordinances 
and codes. In the absence of local codes, 
with the Standard for the Storage and 
Handling of Liquefied Petroleum Gases, 
ANSI/NFPA 58 and the Natural Gas and 
Propane Installation Code CSA B149.1. 
The heater is designed and approved for 
use as a construction heater in 
accordance with Standard CSA 2.14b-
2009, ANS Z83.7b-2009. 
- Use only in well-vented areas. Before 
using heater, provide at least a three-
square-foot opening of fresh, outside 
air for each 100,000 BTU/Hr of rating. 
- Keep appliance area clear and free 
from combustible materials, gasoline, 
paint thinner, and other flammable 
vapors and liquids. Do not use heater 
in areas with high dust content.
- Keep heater away from strong drafts, 
water spray, rain, or dripping water.
- Install and use heater with care. 
Follow all local ordinances and codes. 
In the absence of local ordinances 
and codes, refer to ANSI/NFPA 58. 
This instructs on the safe storage and 
handling of propane gases.
- Check heater for damage before each 
use. Do not use a damaged heater.
- Use only propane gas set up for vapor 
withdrawal.
- The electrical connections and 
grounding of the heater shall follow 
the National Electric Code,  
ANSI/NFPA 70.
- Keep propane tank(s) below 100°F.
- Do not use heater below ground level. 
Propane gas is heavier than air. If a 
leak occurs, propane gas will sink to 
the lowest possible level.
- Use only the electrical voltage and 
frequency specified on model plate.
- Electrical grounding instructions - 
This appliance is equipped with a 
three-prong (grounding) plug for 
your protection against shock hazard 
and should be plugged directly into 
a properly grounded three-prong 
receptacle.
- Use only a three-prong, grounded 
extension cord.
- Use only the hose and factory 
regulator provided with the heater.
- Inspect hose before each use of heater. 
If highly worn or cut, replace before 
using heater. Use the replace ment 
hose assembly specified in this manual.
- The heater, other than a heater with 
integral propane gas container, must 
be located at least 6 feet (in Canada, 
distance must be 10 feet) from any 
propane gas container. Do not point 
heater at propane tank(s) within 20 feet.
Dayton Operating Instructions and Parts Manual
Dayton
®
 Propane Construction 
Heater
3VE59C
For Technical Support or Troubleshooting, Call: 1-800-323-0620
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