Combustion Integrity: Prevents flue gas leakage at the observation port

This specific 90 Series Blue model is designed for single-stage (1H/1C) applications

Optimized Recovery: The 3800W rating at 240V provides consistent heating cycles for reliable hot water delivery

this Emerson-manufactured component provides the durability and modulation accuracy required for high-efficiency HVAC systems and demanding R410A refrigeration applications

the ZR32K5E-TF5-800 features a 3/4" ODF suction and 1/2" ODF discharge connection

Fenwal 35-605200-005 Control Board 326070-701 Combustion Integrity: Prevents flue gasThe Fenwal 35 605200 005 is a high performance 24 VAC Direct Spark Ignition (DSI) control engineered for precision in gas fired appliances. Built with microprocessor based circuitry, this ignition control board provides repeatable timing and a systematic sequence of operation that includes a 15 second pre purge, a 7 second trial for ignition (TFI), and a 15 second inter purge. For long term reliability in the field, the board features on board LED