Schwank IT(U) User Manual
Page 23
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GP-MSEM-BX-06A
SEM(U) / IT(U) Manual
RD: Aug 2006
RL: 06A
KH
14. HEATER EXPANSION
Due to the characteristics of tube heaters, the
installer must allow for 1” expansion for
every 10’ length of tube. In order to address
this characteristic, it is suggested that the
gas line, flue vent, and combustion air
intake (if used) be installed in such a manner,
that normal expansion of the heater will be
accommodated.
FIGURE 15 ALLOWANCE FOR HEATER EXPANSION
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