The assembly includes quarter-turn ball valve shutoffs and top-mounted test cocks for simplified diagnostic testing

providing the necessary delay between stages for stable system performance

Durable Construction: Engineered to resist diaphragm fatigue caused by moisture and flue gas temperature fluctuations

Common Questions How do I adjust the draft setting on the 4" MG1

and 4363369

Modine 5H0731000002 Gas Valve Freon The assembly includes quarter-turn ballThe Modine 5H0731000002 Gas Valve is a technical grade OEM replacement gas valve engineered for critical pressure regulation in high capacity heating units. Supporting a primary 24V gas valve architecture, this component is factory set to a 3. 5" WC (Water Column) manifold pressure, ensuring precise fuel delivery for optimal combustion efficiency. As the direct updated version for 5H73100 2, it maintains a drop in 1 2" x 3 4" NPT connection profile,