including residential air conditioning and commercial air handlers

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

using a different MFD value will alter the motor's magnetic field

The Reznor 151153 is a purpose-built 4-pole contactor designed for high-demand commercial and industrial HVACR applications

Heil Quaker ICP 1149946 Screens 326058-756 including residential air conditioning andFor 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