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•Fire and explosion hazards! Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other gas fired appli- ance.
•Burn hazard! Possible hot surfaces. Do not touch gas vent during firing operation. Use only factory recommended vent components.
•Burn hazard! Hot fluids. Use caution when servicing or draining boiler.
•Fire and explosion hazards! Use caution when servicing burner. Propane (LPG) is heavier than air and may linger in the combustion chamber, vent lines, or elsewhere.
•Gas leak hazard! Make sure all connections to main burner are tight when reassembling the burner. These connections cannot be tested af- ter the burner is assembled.
•Gas leak hazard! All threaded gas connections must be made using a pipe compound that is re- sistant to liquefied petroleum. Do not use Tef- lon™ tape on threaded gas piping.
•Gas leak hazard! Check entire gas train for leaks after installation. If there is a smell of gas, shut down the boiler and obtain immediate as- sistance from
•Overfire hazard! Possible fire and explosion from excess gas pressure. Make sure that gas inlet pressure does not exceed 14 inches w.c. to the regulator.
•Overfire hazard! Possible fire and explosion. Possible malfunction of regulators and/or mo- torized gas valves. Maintain all gas train com- ponents in good condition. Do not alter wiring connections. Annual inspection by factory- trained personnel for proper
•Overfire and underfire hazards! Possible fire, explosion, overheating, and component failure. Do not attempt to adjust firing rate of the boiler. The firing rate must be adjusted only by fac-
2.5.3 Crush Hazards
General Warning
•Lifting hazards! Use properly rated lifting equipment to lift and position the boiler. The load is unbalanced. Test balance before lifting 3 ft. above the floor. Do not allow personnel be- neath the lifted load. Refer to approximate weights in the table below:
Boiler Size | Weight in Pounds |
1,000,000 Btu | 595 |
1,500,000 Btu | 990 |
2,000,000 Btu | 1,025 |
•Bump hazard from overhead piping. Install pip- ing with adequate vertical clearance.
2.5.4 Chemical Hazards
General Warning
•Environmental hazard! The motorized gas valves may contain hydraulic oil. Use safe pro- cedures for the disposal of all lubricants.
•Chemical hazards from cleaning products. Use caution when cleaning the system. The use of professional assistance is recommended. Use safe procedures for the disposal of all cleaning solutions.
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