Dayton Operating Instructions and Parts Manual
3VH18A and 3VH19A
Dayton® Propane and Natural Gas
Construction Heaters
Specifications for Model 3VH18A
Output |
| Minimum Fuel | Maximum Fuel | Size | Weight |
Rating Btu/Hr | Fuel | Consumption | Consumption | L x W x H (Inches) | (pounds) |
40,000 to 100,000 | Propane | 0.44 Gallons/Hour | 1.1 | Gallons/Hour | 16 x 16 x 35 | 30 | (Heater) | ||
| Vapor Only | 1.86 Pounds/Hour | 4.7 | Pounds/Hour | 18 x 18 x 36 | 35 | (Shipping) | ||
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Maximum Supply | Minimum Supply |
| Min. Temperature | Manifold Pressure | Ignitor | ||||
Pressure to Regulator | Pressure to Regulator | Surrounding Air |
| (Inches of Water Column) | Gap (Inches) | ||||
200 psi | 20 psi (for purposes |
| 13.3 | (High) |
| 0.15 |
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| of input adjustment) |
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| 25.6 | (Low) |
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Specifications for Model 3VH19A
Output |
| Minimum Fuel | Maximum Fuel | Size | Weight |
Rating Btu/Hr | Fuel | Consumption | Consumption | L x W x H (Inches) | (pounds) |
50,000 to 100,000 | Natural Gas | 48 scfh | 100 scfh |
| 16 x 16 x 35 | 30 | (Heater) |
| Only |
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| 18 x 18 x 36 | 35 | (Shipping) |
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Maximum Supply | Minimum Supply |
| Min. Temperature | Manifold Pressure | Ignitor | ||
Pressure to Regulator | Pressure to Regulator | Surrounding Air | (Inches of Water Column) | Gap (Inches) | |||
14 inches w.c. | 6 inches w.c. (for | 2.7 | (High) | 0.15 |
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| purposes of input |
| 3.2 | (Low) |
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| adjustment |
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Propane Supply for Model 3VH18A
You must provide propane gas and propane tank(s).
Use this heater only with a propane vapor withdrawal supply system. See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58 and/or CAN/CGA B149.2. Your local library or fire department will have this booklet.
The amount of propane gas ready for use from propane tanks varies. Two factors decide this amount.
1.The amount of propane gas in tank(s)
2.The temperature of tank(s)
The chart below shows the minimum number of
Average Temperature (ºF) | Number of |
at Tank Location | Tanks |
60° | 2 |
40° | 2 |
32° | 2 |
20° | 2 |
10° | 3 |
0° | 3 |
Less gas is vaporized at lower tempera- tures. Two or more
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