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HVAC
NATE Hydronics Gas Service Specialty
Water Chemistry
Knowledge Check
Water Chemistry
Knowledge Check
Knowledge Check
1 / 15
The minimum clearance between a gas boiler and combustible materials is determined by:
A
The local fire marshal's personal opinion during the inspection
B
A standard industry practice of 1 inch for all residential boilers
C
The HVAC contractor's professional judgment based on experience
D
The boiler manufacturer's installation instructions and the local mechanical code, using whichever is more restrictive
Check Answer
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