Introduction A radiant heater that will not ignite can sometimes come down to one small part: the hot surface igniter, commonly called a glow bar. Fortunately, diagnosing it is straightforward. All you need is a multimeter set to resistance, or ohms. An OL reading is often the first big clue. It usually means the igniter […]
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Introduction If an electric heater is not producing heat, start with two straightforward checks: confirm that the heater has a call for heat, then verify that the heating element has continuity. These tests narrow the issue down quickly and help determine whether the problem is incoming power or a failed element. The Two Checks […]
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Introduction Regular maintenance is one of the simplest ways to protect a DR Series radiant tube heater, maintain efficient operation, and avoid unnecessary repairs. Cleaning is straightforward, but the method matters. Too much compressed-air pressure or standing too close to the unit can damage critical gasket material around the ray head. The correct approach is […]
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Introduction If you need to figure out whether a DR Series radiant tube heater has a bad gas valve, the process is straightforward when you use the right tools and check both power and gas flow. The key is not guessing. You want to confirm whether the valve is actually being energized and whether gas […]
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Introduction If a radiant tube heater is not starting, the first thing to confirm is simple: is the heater actually getting a call for heat? That check matters because it tells you where to focus your troubleshooting. If the call for heat is present, the issue is likely inside the heater. If it is not, […]
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Introduction Before starting up a radiant tube heater, one of the most important checks is gas pressure. If the inlet pressure or manifold pressure is off, the heater may not operate the way it should. That can lead to poor performance, ignition problems, and unnecessary troubleshooting later. This walkthrough covers how to check inlet gas […]
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Introduction Getting the tube clamps right on a Re-Verber-Ray radiant tube heater is a small detail that matters more than people think. The correct clamp material, the correct location, and the correct torque all help the system hold up better under heat and operate the way it was designed to. If you are installing Detroit […]
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Introduction If you are getting ready to install a radiant tube heater in a garage, shop, barn, or warehouse, the first step is knowing exactly what you are working with. A clean install starts with understanding the heater model, the hardware in the kit, and a few details that can save time and prevent mistakes […]
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Introduction Sometimes a radiant tube heater is already installed and then the job conditions change. That is exactly what happened here. We had installed a 30 foot HL3 radiant tube heater in Edina, Minnesota. It was a 125,000 BTU unit on high fire and 82,000 BTUs on low fire. Then we found out a new […]
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