Does natural gas grill need a regulator?
Hi, am new to forum and will apreciate any help. Thinking about buying a gas grill that comes set up for LP. It can be converted to NG and the manufacturer offers a conversion kit that includes a flexible hose and regulator (about $90). The grill I am replacing also came set up for LP and I bought a kit to convert it to NG. That kit, however, only included a hose; i.e., no regulator. The grill that I am considering calls for 4 WC supply. I was hoping I could use the same hose that I am using for my existing grill and skip buying another conversion kit. But do I need a regulator for the new grill or is the house regulator sufficient as it is for my existing grill (note I do not know the required supply pressure for my exsiting grill). Thanks, Many, if not most, residential natural gas appliances have their own individual regulator. Most often this regulator is built into the automatic gas valve. The appliance itself usually calls for a gas pressure of 3.5 inches of water column at the burner and that is set by the internal regulator. As a result the gas supplied to the appliance is only required to be regulated to about 4 to 7 inches of water column pressure. Most utilities do regulate the pressure to the meter to about this standard and rarely have a regulator on the meter discharge although some utilities DO have a higher pressure at the meter inlet and regulate downstream. At any rate, if your grill has no internal pressure regulator (if it is convertible between LP and Natural gas it probably doesn't) it is best to have an external regulator. There may be some grills that don't require such a regulator but it is never wrong to use one. Not using one could, under some circumstance, lead to a varying flame when other gas appliances turn on and off. Thanks. BTW do you know where I might find a 4 WC NG regulator? IMO you dont need a regulator changing from LP to NG, but most important the orifices need to be changed. The orifices for LP are smaller and if running NG on LP orifices you will have flame issues. ( No/low flame)
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