It ensures the damper returns to its default "normal" state (usually closed) during power interruptions

this deep-plead filter typically requires replacement once per year to prevent increased static pressure

Key Benefits Universal Compatibility: Specifically engineered to adapt obsolete ignition controls to modern flame rectification standards

Key Benefits Equal Percentage Flow: Provides predictable control and prevents system hunting by normalizing heat exchanger output

S1-03200153000

McDonnell & Miller RS-1-LP Sensor Probe 30067439-890 It ensures the damper returnsThe McDonnell & Miller RS 1 LP sensor probe (part number 176203) is a specialized single level low pressure remote sensor engineered for precise liquid level detection in commercial and industrial hydronic systems. Designed for integration with low water cut off (LWCO) controllers, this unit features a durable 3 4 inch NPT tank connection, ensuring a leak proof seal within pressurized vessels. The low pressure probe sensor is optimized for