Is the Steel 90° Tube End with UNF Thread, Type 53706 compatible with AC hoses 3356 and 3090 and rated for standard HVAC system pressures?

Yes. The Steel 90° Tube End with UNF Thread, Type 53706 is explicitly designed for seamless connection with AC hoses type 3356 and 3090 and features an internal UNF thread for a secure, leak‑resistant fit. Made from high‑quality steel and engineered for professional HVAC use, it offers excellent durability and pressure resistance suitable for standard HVAC system pressures. Its precise 90° angle aids installation in tight spaces while maintaining sealing integrity, making it appropriate for both maintenance and new installations.

Can the Steel 90° Tube End with UNF Thread, Type 53706 be used with alternative hose types or adapters beyond AC hoses 3356 and 3090 for specialized HVAC setups?

The Steel 90° Tube End with UNF Thread, Type 53706 is specifically designed and specified for use with air conditioning hoses type 3356 and 3090. Its internal UNF thread, precise dimensions and sealing features are optimized for those hose types, ensuring reliable pressure resistance and leak‑free connections in HVAC systems. Using it with alternative hoses or adapters is possible only if the alternate component exactly matches the UNF thread size, pitch and sealing interface of Type 53706 and is rated for equivalent pressure and temperature conditions. If an adapter is used, it must provide a secure mechanical fit and maintain the same sealing integrity and material compatibility (steel-to-hose/adaptor contact, corrosion resistance, etc.). Mismatched threads, improper fittings or adapters not rated for HVAC pressures can cause leaks, reduced performance or safety hazards. Recommendation: verify thread specifications (UNF size/pitch), pressure/temperature ratings and sealing method of the alternative hose or adapter with the manufacturer or a qualified technician before use. For critical or specialized HVAC setups, prefer components explicitly approved for use with Steel 90° Tube End with UNF Thread, Type 53706 to ensure safety and reliability.

Steel 90° Tube End with UNF Thread, Type 53706

Additional information

Material	CS – steel (cast iron)

The 90° tube fitting with internal UNF thread is a robust and reliable solution designed for seamless connection with air conditioning hoses type 3356 and 3090. Manufactured from high‑quality steel, it ensures exceptional durability, resistance to pressure, and long‑lasting performance even in demanding environments. Its precise 90‑degree angle allows for optimal installation in tight spaces, improving system efficiency and reducing the risk of leaks. The internal UNF thread guarantees a secure and accurate fit, making assembly quick and straightforward while maintaining maximum sealing integrity. Engineered for professional HVAC applications, this fitting combines strength with precision, ensuring consistent airflow and dependable operation. Ideal for both maintenance and new installations, it provides a cost‑effective and efficient choice for technicians who value quality, reliability, and ease of use.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
BU-53706-06-06-S	End. 90° pipe GW 5/8", hose LW 5/16", steel	-	35	In stock	Enquiry
BU-53706-06-08-S	End. 90° pipe GW 5/8", hose LW 13/32", steel	-	35	In stock	Enquiry
BU-53706-08-08-S	End. 90° pipe GW 3/4", hose LW 13/32", steel	-	35	In stock	Enquiry
BU-53706-08-10-S	End fitting 90° pipe thread 3/4", hose 1/2", steel	-	35	In stock	Enquiry
BU-53706-10-08-S	End. 90° pipe GW 7/8", hose LW 13/32", steel	-	35	In stock	Enquiry
BU-53706-10-10-S	End fitting 90° pipe GW 7/8", hose LW 1/2", steel	-	35	In stock	Enquiry
BU-53706-10-12-S	End. 90° pipe GW 7/8", hose LW 5/8", steel	-	35	In stock	Enquiry
BU-53706-10-14-S	End. 90° pipe GW 7/8", hose LW 3/4", steel	-	35	In stock	Enquiry
BU-53706-12-10-S	End fitting 90° pipe thread 1.1/16", hose LW 1/2", steel	-	35	In stock	Enquiry
BU-53706-12-12-S	End fitting 90° pipe GW 1.1/16", hose LW 5/8", steel	-	35	In stock	Enquiry
BU-53706-12-14-S	End fitting 90° pipe thread 1.1/16", hose LW 3/4", steel	-	35	In stock	Enquiry

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The 90° tube fitting with internal UNF thread is a robust and reliable solution designed for seamless connection with air conditioning hoses type 3356 and 3090. Manufactured from high‑quality steel, it ensures exceptional durability, resistance to pressure, and long‑lasting performance even in demanding environments. Its precise 90‑degree angle allows for optimal installation in tight spaces, improving system efficiency and reducing the risk of leaks. The internal UNF thread guarantees a secure and accurate fit, making assembly quick and straightforward while maintaining maximum sealing integrity. Engineered for professional HVAC applications, this fitting combines strength with precision, ensuring consistent airflow and dependable operation. Ideal for both maintenance and new installations, it provides a cost‑effective and efficient choice for technicians who value quality, reliability, and ease of use.