technicians should also inspect for a restricted flue

How do I identify if I need a solid (JE) or split (JES) sleeve

Durable Construction: Heavy-pattern rough bronze valve body resists corrosion and maintains structural integrity under thermal stress

Industrial Durability: Features a corrosion-resistant stainless steel cage and phosphor-bronze bellows for extended service life

The VT3253 is the valve body only

Williams 1403822 Direct Vent Furnace Refrigerant technicians should also inspect forThe Williams 1403822 Direct Vent Furnace is a high efficiency natural gas wall heater designed for compact residential and commercial heating applications. Delivering 14,000 BTU hr, this unit is the engineered direct replacement for the 1403612, ensuring seamless HVAC retrofit compatibility with existing venting configurations. Utilizing a sealed combustion system, this direct vent heater draws combustion air from outdoors, making it ideal for