The Temperature And Pressure Relief Valve:
•Must be connected to an adequate discharge line.
•Must not be rated higher than the working pressure shown on the data plate of the water heater.
The Discharge Line:
•Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line.
•Must not be capped, blocked, plugged or contain any valve between the relief valve and the end of the dis- charge line.
•Must terminate a maximum of 300mm (12 in.) max (Canada) or 150mm (6 in.) max (U.S.A.) above a floor drain or external to the building.
•Must be capable of withstanding 121°C (250°F) without distortion.
•Must be installed to allow complete drainage of both the valve and discharge line.
•Must not discharge so as to come in contact with any electrical part or wiring.
Installations Check | Check Here |
1.Have the safety precautions described in the manual been implemented?
2.Does the gas piping conform to the recom- mendations of your Gas Utility Company?
3. Has the gas piping been tested?
4. Is the supply pressure correct?
5.Is the water heater connected to the correct gas supply as shown on the rating plate (Natural Gas/Propane)?
6.Is the clearance between the water heater and combustible construction as per specifica- tions?
7.Is the water piping correctly connected? Are you certain that there are no leaks?
8. Is the water heater filled with water?
9. Is the cold water supply valve open?
10.Is the vent pipe installed properly and are the vertical and horizontal runs properly support- ed?
11.Is the vent hood air intake opening unobstruct- ed?
12.Is the T&P valve installed? Are the drain pipe and T&P valve unobstructed?
13.Is a drain pan installed with a proper overflow pipe, directed to a drain?
14.Have you taken steps to prevent water damage in case of leaks?
15.Does the area around the water heater have adequate ventilation?
16.Air moving device does not create negative pressure?
17.Flammable vapors are not placed in the prox- imity of the water heater?
18. Manifold gasket properly sealed?
19. Viewport not damaged or cracked?
20.
21. Two piece grommet properly installed?
22. No leaks at pilot and manifold connection?
23. Manifold door screws securely tightened?
24.Extra care for proper ventilation for attic or unconditioned space installation (max. air tem- perature 42°C (108°F))?
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