providing the dependable spark required for critical heating systems

protecting the primary and secondary heat exchangers from improper soot buildup

providing a high-integrity interface between the actuator and the flow medium

Is the S1-025-35355-001 an automatic reset switch

Williams 3003822 Wall Furnace 30067439-890 providing the dependable spark requiredThe Williams 3003822 is a professional grade 30,000 BTU direct vent wall furnace designed for high efficiency zone heating in residential and light commercial applications. As a direct replacement for models 3003612 and 3003622, this natural gas unit features a sealed combustion chamber that pulls oxygen directly from the outdoors, preserving indoor air quality and preventing back drafting. With a 66% AFUE rating and a 21,000 BTU output, it provides