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    Need Help with Mr Heater 4" Adapter for CAT3 piping

    Does anyone know what heater adapter I can buy to connect cat3 single wall 4" pipe to my Heater? I purchased the Nova Vent 4" CAT3 pipe but there adapter requires 1.75" of pipe insertion and there is only 3/4" pipe sticking out (pic attached). I found an adapter made by Sterling called a GG...
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    Need Help with Mr Heater 80K Big Max Heater Appliance Adapter

    Good morning, Does anyone have a picture or a brand and model number for the correct adapter that connects the 4" Horizontal CAT3 Vent Piping to the heater? I am having a hard time figuring out what I need and Mr HEATER tech support was no help. I am using the ZFLEX Nova Vent CAT3 Stainless...
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    Mr heater Big Max 80K BTU Horizontal Venting and Isolation Transformer for Thermostat

    Hello. I am trying to understand a couple things before installing my MHUNG80 heater. Does the horizontal piping have to be a minimum of 5 feet long? I got an email back from their tech support that said the piping does not have to be a minimum of 5 feet but it states that in the manual 3...
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    Mr Heater Big Max 80K BTU Allowable Horizontal Termination Caps

    Hello. I just purchased a Mr Heater Big Max 80K BTU Garage Heater and will be using Propane. My question is what type of termination cap is allowed for the CAT3 type venting. The manual only shows a T Pipe that is open on both ends. Are there other type termination caps I can use that are safe...
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