Model #5-40-NGRS7 REXEL UNITED water heater, gas

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I am sorry you are having a problem with the belt on the snow blower. I have looked up a 40-inch snow blower attachment and see that there is a 52-inch belt used on some models. Without a model number, I am not sure if yours takes the 52-inch belt instead of the 55-inch belt. If yours should take the 52 inch, that would explain the belt slipping. If the 55-inch belt is correct and it is tight, I would suspect the snow blower is being fed to fast. Try to slow down the drive speed and see if it cures the problem. Please reply with the model numbers and more details if you need further assistance.

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Mark T.

Thank you for the reply. You are right this model only has one belt for the drive. If the bearings are free and the snow blower still stops, I recommend checking the pulleys. If the belts have been slipping, the belts become glazed and will slip easily. You can try to remove the glaze with emery cloth. This will allow the belt to grip harder. Please only do this if everything else is free. Please let me know what you find so that I can past the information on.

The reference information on page 5 of the manual indicates that the blower will still move 80% of the rated air capacity when using 200 equivalent feet of 7" duct work. This is just a statement for illustration purposes.

The actual venting requirements recommend that you limit the duct work to less than or equal to 40 equivalent feet of 6" duct work.

Using 6" duct work is normal. Just minimize the length of the duct work as much as possible.

I hope that this explanation answers your question. If you need more help, reply with additional details and we will assist you further.

The manual lists "equivalent" length for the elbows and other fittings. A 6" round elbow has an "equivalent" length of 8 feet. This should be the length that is added to the duct work calculation when you use that type of fitting. The total "equivalent" length of the duct work should normally not be more than 40 feet for the vent to work properly. If you extend the venting past that equivalent length, you will experience diminished air flow below the rated capacity. Keep in mind the reference point that 200 equivalent feet of 7" round duct work will still allow the system to operate at 80% of the rated capacity. Although it is not recommended, extending the venting past the 40 feet of equivalent duct work will still allow the blower to work reasonably well. Also keep this in mind: extending the duct work past the 40 equivalent feet could affect your warranty coverage if the blower experiences problems or is not moving the expected amount of air. I hope that this additional information helps. If you must extend the duct work past the recommended amount, you should be okay even though there are some slight risks.

You can use the flex tubing and it should not leak if it is installed and sealed properly. I don't recommend it but it is possible to use it. I recommend that you use the components shown on page 5 of the manual. The note at the bottom of page 6 states that the equivalent feet of the wall or roof cap is taken into account and should not be counted with the 40 equivalent feet of duct. I hope that this additional information helps. If you need more assistance, let me know.