The 8100 Series Repair Kit (AC) includes gaskets, O-rings, seals, screws, and other small components laid out on a white background.
Red industrial water pump with pipe flange.

AC 8100 Series Repair Kit

Price range: $560.00 through $840.00

AC Fire Pump 8100 Series Repair Kit – Complete Maintenance Solution

Keep your horizontal split case fire pump operating at peak performance with Underwood Fire’s AC 8100 Series Repair Kit. We engineered this kit specifically for field service technicians, property owners, and fire pump maintenance managers who need reliable components for standard maintenance and minor repairs. Regular upkeep with the right parts ensures equipment longevity, reduces costly downtime, and keeps your system compliant with NFPA fire protection standards.

Each kit includes high-quality components designed for durability and precision fit, helping you complete stuffing box repacking and other routine maintenance efficiently. With all the essential parts in one package, you can streamline repairs and restore pump reliability with confidence.

Kit Components:

  • Packing Rings (12): Deliver effective sealing to prevent water leakage.

  • Hex Head Gland Bolts & Washers (4): Provide secure assembly of the stuffing box.

  • Casing Gasket: Creates a leak-tight seal at suction and discharge connections.

  • Inboard & Outboard Bearings: Support smooth shaft rotation and extend pump service life.

  • O-Rings (2): Reinforce sealing at connection points.

  • Casing O-Rings (2): Add extra protection against leaks.

  • Lip Seals (2): Prevent contamination and protect internal components.

Customized Selection: Choose the correct kit for your pump size. If you’re uncertain, send a photo of your pump’s nameplate to sales@firepumpequipment.com, and our team will help confirm the right option. Since kits vary by model number, the actual contents may differ slightly from the product images.

Quick Shipping: Most AC 8100 Series repair kits ship within 1–2 business days, ensuring your fire pump is back in service quickly and reliably.

Trust Underwood Fire to deliver the repair solutions you need to keep your fire protection system dependable and NFPA-compliant.

SKU: AC81IR Categories: ,

Description

Keep your horizontal split case fire pump operating at peak performance with Underwood Fire’s AC 8100 Series Repair Kit. We engineered this kit specifically for field service technicians, property owners, and fire pump maintenance managers who need reliable components for standard maintenance and minor repairs. Regular upkeep with the right parts ensures equipment longevity, reduces costly downtime, and keeps your system compliant with NFPA fire protection standards.

Each kit includes high-quality components designed for durability and precision fit, helping you complete stuffing box repacking and other routine maintenance efficiently. With all the essential parts in one package, you can streamline repairs and restore pump reliability with confidence.

Kit Components:

  • Packing Rings (12): Deliver effective sealing to prevent water leakage.

  • Hex Head Gland Bolts & Washers (4): Provide secure assembly of the stuffing box.

  • Casing Gasket: Creates a leak-tight seal at suction and discharge connections.

  • Inbound & Outbound Bearings: Support smooth shaft rotation and extend pump service life.

  • Casing Wear O-Rings (2): Reinforce sealing at connection points.

  • Stuffing Box O-Rings (2): Add extra protection against leaks.

  • Shaft Sleeve O-Rings (2): Create a dynamic seal within the groove of the shaft sleeve.

  • Lip Seals (2): Prevent contamination and protect internal components.

Order Fire Pump Parts with Confidence

Size Selection: Choose the kit that matches your pump size. Unsure which kit you need? Email a photo of your pump’s nameplate to sales@firepump.com, and our team will help confirm the correct option.

Shipping: Most kits are in stock and ready to ship, some sizes may require additional lead time. Delivery timelines are estimates and not guaranteed. Carrier delays are outside our control, and expedited shipping fees are non-refundable once shipped. For current availability, email sales@firepump.com.

Visit here for more AC Repair Kits or our socials for more information on Underwood Fire.

Additional information

Weight 5 lbs
Dimensions 12 × 4 × 12 in
Size

3x2x11F-S, 6X4X9F, 6X4X10F-M, 6X4X11F, 6X4X12F-M, 6X6X9F, 8X6X9F, 8X6X10F, 8X6X12F, 8X6X12FS, 8X6X12F-M, 8x6x13F, 8x6x18F, 8x8x12F, 8X8X17F, 10X8X17F-L, 10X8X17F, 10X8X17FS, 10X8X20F-S, 10X8X20F-L, 12X10X18F

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