Steve Arnold is president/owner of Arnold’s Service Company Inc., Louisville, Ky., an online HVAC parts supplier. For more information, visit www.arnoldservice.com.

Furnace Ignitor Problem

Steve Arnold

February 3, 2014

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One of the most common furnace problems that I see is when the furnace hot surface ignitor will not glow. The furnace may have a bad ignitor, loose wire connections, open limit switch, open rollout switch, open pressure switch, or bad control board. This is what you might see in the furnace sequence of operation.

On Demand Refrigerant Safety Classes A2L and A3 have a very low GWP, making them a strong, long-term solution for many HVACR applications. However, these refrigerants are classified as mildly flammable and highly flammable respectively. This flammability class raises safety and compliance concerns. This webinar will help you understand these classes, along with the opportunities these refrigerants can offer.

As the HVAC market continues to expand and Variable Refrigerant Flow (VRF) technologies continue to evolve, the demand for contractors with VRF expertise will only grow. This presentation provides thorough insight into the requirements, advantages and opportunities associated with specifying VRF systems and addresses the common misconceptions contractors may encounter in the field.

ACHRNEWS

2019 September 9

In this issue of The NEWS, we present the Residential Heating Showcase, featuring the latest heating equipment to hit residential HVAC. We also discuss developments in the tools and test instruments market.

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