Is this the correct spring for a 2 PSI line pressure system

It is compatible with a wide range of fluorinated refrigerants

Simplified Service: Equipped with spade terminals and standard ODF sweat connections for fast

protecting the silicone diaphragm and calibration spring from industrial wear

This is a self-powered millivolt valve typically used with a 750mV thermopile or a 250mV–750mV system

Lochinvar & A.O. Smith 100109675 Flue Baffle Assembly 320735-701 Is this the correct springThe Lochinvar & A. O. Smith 100109675 Flue Baffle Assembly is a critical internal component engineered for high efficiency commercial boilers and water heaters. As a veteran technician knows, the flue baffle assembly is essential for optimizing heat transfer by slowing down the velocity of combustion gases, allowing more dwell time within the heat exchanger. This OEM Lochinvar part (also listed across the A. O. Smith replacement parts catalog) is