Water Heaters

Question 1

Where temperatures are greater than 140 degrees, what is required?

Answer 1

Thermostatic Mixing Valve

Question 2

What is the maximum temperature for water from a tankless water heater that is intended for domestic use?

Answer 2

140 degrees F

Question 3

Water heaters using solid, liquid or gas fuel shall not be installed in ____________.

Answer 3

Plenums

Question 4

The cold water feed valve to a water heater shall be within _______ feet of the equipment.

Answer 4

3 feet

Question 5

Relief valves shall have a temperature setting of not more than _______(1) degrees and a pressure setting not exceeding the tank or water heater manufacturers’ rated working pressure or _______(2) psi, whichever is less.

Answer 5

(1) 210 degrees
(2) 150 psi

Question 6

The discharge pipe shall be clamped within _______ inches of the point of discharge.

Answer 6

12 inches

Question 7

Electric water heaters may rest in a high-impact plastic pan of at least __________ thickness.

Answer 7

1/16 inch

Question 8

How deep should a pan be for a water heater?

Answer 8

No less than 1-1/2 inches

Question 9

Pan drain terminations must be ______ inches to ________ inches above the ground.

Answer 9

6 to 24 inches