HVAC Parts Guides & Resources
What PURE's SX steam-to-steam heat exchanger humidifier is, how to tell an SX from an SXDDR on the nameplate, and which replacement...
What PURE's ER environmental-room humidifier is, how to tell an ER from an ERDDR on the nameplate, and which replacement parts we...
What PURE's EC cabinet-style electric humidifier is, how to tell an EC from an ECDDR on the nameplate, and which replacement parts...
What PURE's ES electric steam humidifier is, how to tell an ES from an ESDDR on the nameplate, and which replacement parts...
What PURE's GX gas-fired steam humidifier is, how to tell a GX from a GXDDR on the nameplate, and which replacement parts...
No reps, no distributor login, no guessing on stock. Here's why we built Total HVAC Parts the way we did, and how...
Not every "in stock" label means the same thing. Here's the difference between owned and partner inventory, and the real availability states...
Daikin Applied control boards are often listed under McQuay and Daikin-McQuay branding too. Here's what that alias actually means, real examples, and...
How to search an old HVAC part number, confirm it against the "Replaces" data on the current listing, and tell the difference...
A practical guide to common Baltimore Aircoil Company (BAC) OEM replacement parts, including bearings, basin heaters, electric water level controls, belts, sheaves,...
Find WaterFurnace replacement parts for commercial water-source and geothermal heat pumps, including compressors, motors, controls, sensors, boards, valves and refrigeration components.
Shop Greenheck replacement parts for commercial exhaust, supply and inline fans, including motors, wheels, blowers, bearings, belts, drives, controls and electrical components.
Need Daikin Applied replacement parts? Shop OEM parts for commercial chillers, air handlers, rooftop equipment, controls, motors, compressors and more.
Some YORK by Johnson Controls geothermal heat pumps were private-label WaterFurnace-built equipment. Learn how the relationship, WaterFurnace components and older Johnson Controls...
Greenheck, Valent, and Innovent equipment can appear across the same commercial HVAC ecosystem, but the product lines serve different applications. Here is...
Total HVAC Parts is now stocking Daikin replacement parts across three major equipment categories: Daikin Applied commercial equipment, Daikin VRV systems, and...
Different HVAC components require different matching information. Use this guide to know what data to collect for motors, compressors, controls, sensors, contactors,...
A five-minute verification before ordering can prevent days of delay. Use this practical checklist for OEM HVAC motors, controls, compressors, sensors, valves,...
An obsolete HVAC part number does not always mean the part is unavailable. It may have been superseded—but a supersession is not...
The equipment nameplate is often more useful than the number printed on the failed component. Here is the information that helps identify...
OEM and aftermarket HVAC parts can both have a place in service work. The key is knowing when exact factory fit, approvals,...