
Armstrong Fluid Technology 805189-621K Flange Set
The Armstrong Fluid Technology 805189-621K flange set and hardware kit is built for secure, leak-free installation of hydronic pump flange kit connections on 2.5" LFB systems. Designed to match Armstrong circulators and in-line pumps, this kit includes precision-machined flanges and properly sized hardware to maintain alignment and sealing under typical HVAC operating pressures. Contractors rely on this 2.5 inch pump flange set for consistent fitment during pump replacements or new installs, especially in closed-loop heating and chilled water systems. The durable construction supports long-term performance in demanding mechanical rooms, reducing the risk of flange distortion or gasket failure. If you're servicing Armstrong equipment, this Armstrong flange hardware kit helps streamline installation while ensuring compatibility with standard circulator pump flange connections. Ideal for maintaining proper torque and sealing on HVAC pump installation hardware setups.
Key Benefits:
- Engineered for 2.5" Armstrong LFB pump connections
- Includes matched flange set and installation hardware
- Supports proper alignment and sealing under pressure
- Suitable for hydronic heating and chilled water systems
- Reduces installation time during pump replacement jobs
Common Questions:
Is this compatible with all Armstrong pumps?
It is designed for 2.5" LFB configurations. Confirm pump model before ordering.
Does the kit include bolts and hardware?
Yes, this is a complete flange and hardware kit for installation.
Can this be used in chilled water systems?
Yes, it is suitable for both heating and chilled water hydronic applications.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
805189-621K is the cross for 805189-841K
This item is not eligible for free shipping.
Original: $268.54
-65%$268.54
$93.99Armstrong Fluid Technology 805189-621K Flange Set
The Armstrong Fluid Technology 805189-621K flange set and hardware kit is built for secure, leak-free installation of hydronic pump flange kit connections on 2.5" LFB systems. Designed to match Armstrong circulators and in-line pumps, this kit includes precision-machined flanges and properly sized hardware to maintain alignment and sealing under typical HVAC operating pressures. Contractors rely on this 2.5 inch pump flange set for consistent fitment during pump replacements or new installs, especially in closed-loop heating and chilled water systems. The durable construction supports long-term performance in demanding mechanical rooms, reducing the risk of flange distortion or gasket failure. If you're servicing Armstrong equipment, this Armstrong flange hardware kit helps streamline installation while ensuring compatibility with standard circulator pump flange connections. Ideal for maintaining proper torque and sealing on HVAC pump installation hardware setups.
Key Benefits:
- Engineered for 2.5" Armstrong LFB pump connections
- Includes matched flange set and installation hardware
- Supports proper alignment and sealing under pressure
- Suitable for hydronic heating and chilled water systems
- Reduces installation time during pump replacement jobs
Common Questions:
Is this compatible with all Armstrong pumps?
It is designed for 2.5" LFB configurations. Confirm pump model before ordering.
Does the kit include bolts and hardware?
Yes, this is a complete flange and hardware kit for installation.
Can this be used in chilled water systems?
Yes, it is suitable for both heating and chilled water hydronic applications.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
805189-621K is the cross for 805189-841K
This item is not eligible for free shipping.
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Description
The Armstrong Fluid Technology 805189-621K flange set and hardware kit is built for secure, leak-free installation of hydronic pump flange kit connections on 2.5" LFB systems. Designed to match Armstrong circulators and in-line pumps, this kit includes precision-machined flanges and properly sized hardware to maintain alignment and sealing under typical HVAC operating pressures. Contractors rely on this 2.5 inch pump flange set for consistent fitment during pump replacements or new installs, especially in closed-loop heating and chilled water systems. The durable construction supports long-term performance in demanding mechanical rooms, reducing the risk of flange distortion or gasket failure. If you're servicing Armstrong equipment, this Armstrong flange hardware kit helps streamline installation while ensuring compatibility with standard circulator pump flange connections. Ideal for maintaining proper torque and sealing on HVAC pump installation hardware setups.
Key Benefits:
- Engineered for 2.5" Armstrong LFB pump connections
- Includes matched flange set and installation hardware
- Supports proper alignment and sealing under pressure
- Suitable for hydronic heating and chilled water systems
- Reduces installation time during pump replacement jobs
Common Questions:
Is this compatible with all Armstrong pumps?
It is designed for 2.5" LFB configurations. Confirm pump model before ordering.
Does the kit include bolts and hardware?
Yes, this is a complete flange and hardware kit for installation.
Can this be used in chilled water systems?
Yes, it is suitable for both heating and chilled water hydronic applications.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
805189-621K is the cross for 805189-841K
This item is not eligible for free shipping.












