preventing over-firing or incomplete combustion in propane gas applications

Always verify circuit amperage before installation

burner control

Key Benefits: Universal Compatibility: Direct OEM replacement for various legacy McQuay and Daikin part numbers

Built on a compact open frame design

Hydrotherm 02-1554 Gas Valve 30067439-890 preventing over-firing or incomplete combustionThe Hydrotherm 02 1554 Gas Valve is a critical combustion control component engineered for high performance natural gas hydronic systems. Designed specifically for Hydrotherm MR and VGA boilers, this valve ensures precise fuel regulation and consistent manifold pressure. Operating on a standard 24V AC circuit, it maintains a factory calibrated 3. 5" WC (Water Column) output, which is essential for stable flame characteristics and efficient heat