most notably the Carrier 58 series (MCA

25 inch LF174A lead free relief valve engineered for critical pressure protection in hot water heating and domestic supply boiler applications

helping to maintain blower motor performance

hunting (fluctuating suction pressure)

Enhanced Safety: Provides reliable negative pressure to activate safety switches and exhaust toxic combustion byproducts

Fireye 35-202 Plug 318172-701 most notably the Carrier 58The Fireye 35 202 is a specialized 3 8" NPT Plug engineered for heavy duty industrial burner applications. This component serves as a critical flame scanner mounting plug, specifically designed to secure and seal unused viewing ports or scanner housings in Fireye flame safeguard systems. Constructed from high grade materials to withstand the extreme thermal fluctuations found in furnace environments, the 35 202 ensures a pressure tight seal that