FS20 – START COLLAR
20″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.
Walk in. We test every part free at the counter. Open to homeowners, contractors, and multifamily — no account or minimum order.
Popular: 45/5 capacitor ECM blower Honeywell ignitor 24V contactor Hard start kit

Ten departments, organized the way our counter is. Every category is on the shelf today.
Bring your old part. We'll diagnose it, find the replacement, and bench-test the new one at the counter before you leave — so you only make one trip.

¿Buscas partes de HVAC en Dallas?
Visita nuestra página en español — mismas partes, mismo mostrador, atendido en español.
Ver página en español →Showing 391–400 of 1291 results

20″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

ToughBuilt TB-CT-62-20 X-large Massive Mouth tool bag, 20-inch, waterproof bottom. Biggest non-rolling bag in the Massive Mouth line. Hard body with rugged base.

3 Amp bladed ATC fuse for HVAC control boards and low-voltage circuits. Standard automotive-style blade fuse. Protects 24V thermostat circuits and control wiring.

Carrier HH18HA461 manual reset limit switch, opens at 160°F. Large base, micro size. Also crosses to HH18HA167. OEM for Carrier, Bryant, and Payne systems.

Plastic secondary drain pan, 18″ x 38″, ABS construction. Sits under your indoor coil or air handler to catch overflow. 3/4″ PVC drain fitting included.

Supco IG409 hot surface ignitor for Carrier furnaces. Silicon carbide. Direct replacement for 767A-370 and LH33ZS004.

120V condensate pump with built-in overflow safety switch. Pumps condensate away from your AC or furnace when gravity drain isn’t possible. Standard 120V plug-in.

Supco SHL509 high limit switch, 3-inch insertion, opens at 240°F, closes at 210°F. Auto reset. Crosses to Carrier HH12ZB240. Universal furnace replacement.

24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits on timed delay.

4-inch adjustable Type B gas vent pipe, extends 4 to 10 inches. Double-wall with aluminum inner and galvanized outer. ECCO Manufacturing 200405. Telescopes to fit.