By isolating moving components from the ductwork

What should I do if the pilot won't stay lit

and AMH8 series

ensuring safe burner startup sequences in residential and commercial heating applications

also identified as the XB-1019MC1B

Armstrong International C3510-3 Vent THPU32HP7Y By isolating moving components fromThe Armstrong International C3510 3, also identified as the Model 11AV 3 4 178, is a high performance stainless steel air and gas vent designed for reliable fluid management in demanding HVACR and industrial environments. Featuring a 3 4" NPT inlet and a 1 2" NPT outlet, this free floating lever vent provides positive venting of air and non condensable gases under pressure. Its all stainless steel construction ensures superior corrosion resistance,