Question

common problems with power vented or fan assisted water heaters include all of the following except
a clogged condensate collection system
an inoperative blower preventing startup
an obstructed blower intake
poor vent termination points
poor blower wiring

question 46
common problems with temperature/pressure relief valves on water heaters include all of the following except
missing
poor location
no discharge tube
discharge tube dripping or leaking
discharge tube made of copper

Explanation:

For the first question about power - vented or fan - assisted water heaters, all the options except "poor blower wiring" are common issues related to the venting and startup systems. For the second question about temperature/pressure relief valves on water heaters, having a discharge tube made of copper is not a common problem compared to the others which affect functionality and safety.

Answer:

1. E. poor blower wiring
2. E. discharge tube made of copper