Professional contractors recognize that high-efficiency combustion requires a perfectly sealed chamber

For systems using glycol or brine

including residential air conditioning and commercial air handlers

and Concord heating units

Heil Quaker ICP 1149946 Screens 326058-756 Professional contractors recognize that high-efficiencyFor veteran contractors servicing International Comfort Products (ICP) equipment, the Heil Quaker ICP 1149946 is the professional standard for high efficiency furnace termination. This 10 pack of 2 inch vent screens is engineered to fit standard Schedule 40 PVC hubs and couplings, providing a high performance barrier against birds, rodents, and debris that cause pressure switch lockout. Constructed with a stainless steel mesh and a durable PVC or