Does this spring fit the older Sensus 043-B models

it provides the necessary aerodynamic lift required for efficient heat rejection through the coil

Where should the mixing tube be installed for best results

750 BTU of supplemental or primary heat

Reznor 96307 Gas Valve 30067439-890 Does this spring fit theThe Reznor 96307 Gas Valve is an essential OEM replacement component engineered for high performance gas regulation in commercial and industrial heating applications. This 1 2" NPT natural gas valve operates on a standard 24V AC control circuit and is factory set to a 3. 5" WC output pressure for consistent burner performance. As a single stage gas valve featuring a dedicated spark ignition design (alternatively identified as Honeywell VR8204M1000),