This seal is designed for 2/1-4"-12 thread Rotalock connections

ensuring exact fitment and mechanical compatibility with standard refrigerant tubing

If the burner orifice is restricted or resized through improper cleaning

This genuine York flame sensor (Part # S1-025-37499-000) features a straight-style element with a total length of approximately 3-7/16 inches

using a mixing tube is highly recommended to ensure the sensor reads a true average temperature rather than localized hot or cold spots

Fireye EUVS4 Amplifier 318820-201 This seal is designed forThe Fireye EUVS4 Amplifier is a high performance UV self check amplifier designed for continuous burner operation within the Fireye Flame Monitor series (E110). This 120 VAC module provides critical flame safeguard control by performing a closed loop internal shutter test of the UV scanner once per minute. This self checking circuitry ensures that any component failure, such as a vacuum tube "run away" or shorted scanner, is immediately detected to