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HVAC/R parts · Nationwide shipping
Shop replacement parts, filters and commercial equipment for contractors and facilities. Search by part number or let our team help identify the right match.
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A selection from our HVAC/R catalog.
FLRQB5AH series · MERV 11 & 13
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IGN00091 · 24V, 60 Hz
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CNT05641 · With mounting bracket
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IGN00145 · 80V silicon nitride
View product →Match the full part number and equipment model. Check each listing for current pricing, package quantity and availability.
Order replacement parts and filters by part number.
Shipping options and delivery estimates are shown at checkout.
| Item number / product | Availability | Unit price | Qty | Action |
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Rooftop units and fans for commercial purchasing.
GDK060A3EMA0000 · Foundation gas/electric
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DU360HFA · 10 HP direct drive
View equipment →YSK150A3S0H0003 · Precedent gas/electric
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DR360HFA · 7.5 HP direct drive
View equipment →Equipment sales only. Confirm availability and freight before ordering. Rooftop unit images are representative; verify the model and specifications on each listing.
Service First USA sells HVAC/R parts and equipment. Customers arrange installation, repairs and maintenance with their chosen contractor.
November 5, 2026
Compare all eight FLRQB5AH models, MERV ratings and Trane size references. Use the complete part number to choose the right filter for your cabinet.
Read the full guide →November 5, 2026
Review the FC100A1037 filter, cabinet fit and the details to check before your next replacement-filter order.
Read the full guide →June 2, 2026
Learn about the FLRSF1235 replacement filter and confirm the correct OEM part number for your equipment.
Read the full guide →