Is the STORZ Firefighter Union Wrench, Steel, Size ABC compatible with all A (110), B (75), and C (52) Storz couplings?

Yes. The STORZ Firefighter Union Wrench, Steel, Size ABC is designed specifically for STORZ fire hose couplings in sizes A (110), B (75), and C (52) and is therefore compatible with those coupling sizes. Its robust steel construction and ergonomic plastic handle provide a secure, non-slip grip and reliable torque for engaging and tightening A (110), B (75) and C (52) Storz connections during demanding operations.

Can I use the STORZ Firefighter Union Wrench, Steel, Size ABC to tighten or loosen worn or corroded A (110), B (75), and C (52) Storz couplings safely?

Yes — the STORZ Firefighter Union Wrench, Steel, Size ABC is designed for safe tightening and loosening of A (110), B (75) and C (52) Storz couplings in typical field conditions. Its robust steel construction provides the required strength to handle seized or corroded couplings, while the ergonomic, non-slip plastic handle improves grip and control during high-torque operations. However, for heavily corroded or severely worn couplings exercise caution: if the coupling is structurally compromised (cracks, warped lugs or stripped threads) using force can cause failure or injury. In such cases, isolate the connection, apply penetrating lubricant and gentle, incremental torque; if the coupling doesn’t move or shows damage, replace it rather than forcing it. Always wear appropriate PPE and follow your department’s safety procedures and manufacturer recommendations when working on corroded fittings.

STORZ Firefighter Union Wrench, Steel, Size ABC

All products, Symmetrical claw couplings/

Additional information

This durable wrench is designed specifically for STORZ fire hose couplings in sizes A (110), B (75), and C (52), ensuring a secure and efficient connection during demanding operations. Crafted from robust steel, it delivers exceptional strength and reliability, while the ergonomically shaped plastic handle provides a comfortable, non-slip grip for quick and safe handling, even in challenging conditions. Engineered for professional use, it allows firefighters and emergency teams to work with confidence, minimizing downtime and maximizing efficiency. Compact yet powerful, this tool is an essential addition to any firefighting equipment set, offering long-lasting performance and dependable support whenever fast action is required.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
ST-71-133066-50	STORZ key size ABC, steel	-	-	In stock	0 €		Enquiry

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This durable wrench is designed specifically for STORZ fire hose couplings in sizes A (110), B (75), and C (52), ensuring a secure and efficient connection during demanding operations. Crafted from robust steel, it delivers exceptional strength and reliability, while the ergonomically shaped plastic handle provides a comfortable, non-slip grip for quick and safe handling, even in challenging conditions. Engineered for professional use, it allows firefighters and emergency teams to work with confidence, minimizing downtime and maximizing efficiency. Compact yet powerful, this tool is an essential addition to any firefighting equipment set, offering long-lasting performance and dependable support whenever fast action is required.