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they are flow control valves
Common Questions How do I set the correct pressure on the SPRD-18
Reliable Thermal Protection: Maintains safe operating temperatures during continuous run cycles
Environmental Compliance: Engineered with ultra low NOx technology to reduce nitrogen oxide emissions without sacrificing heat output
which are rated for general-purpose fuels like natural gas and propane
Heil Quaker ICP 1183390 Heat Exchanger Kit 321142-301 they are flow control valvesThe Heil Quaker ICP 1183390 Heat Exchanger Kit is a critical OEM furnace replacement part engineered for high efficiency thermal transfer in International Comfort Products (ICP) heating systems. As a veteran grade HVAC heat exchanger kit, the 1183390 is manufactured to withstand the rigorous expansion and contraction cycles that typically lead to stress cracks in substandard aftermarket cells. This genuine replacement ensures factory spec furnace heat
