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FLEXTECH Silicone SAE J20R3 Heater Hose HT40-238 - Silicone SAE J20R3 Heater Hoses
FLEXTECHSilicone SAE J20R3 Heater Hoses

FLEXTECH Silicone SAE J20R3 Heater Hose HT40-238

The FLEXTECH Straight Hose (SKU HT40-238, MPN HT40-238) is a silicone SAE J20R3 heater hose with a 2 25/64 in inside diameter and 36 in length. It features a red silicone cover and silicone tube, with a temperature…

SKU 3G-OTH-454151

Also listed as: HT40238 · HT40 238

Brand
FLEXTECH
Item
Silicone SAE J20R3 Heater Hose HT40-238
Part Number
HT40-238
Category
Silicone SAE J20R3 Heater Hoses
Available to Order
Also known as:HT40-238FLEXTECH
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FLEXTECH
Manufacturer Part Number
HT40-238
Type
Red, Silicone, Silicone
Hose Lg
36 in
Hose Color
Red
Temp. Range
-65° to 450°F
Hose Tube Material
Silicone
Hose Cover Material
Silicone

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FLEXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLEXTECH Straight Hose (SKU HT40-238, MPN HT40-238) is a silicone SAE J20R3 heater hose with a 2 25/64 in inside diameter and 36 in length. It features a red silicone cover and silicone tube, with a temperature range of -65° to 450°F.

Frequently Asked Questions

What is a FLEXTECH silicone heater hose used for?

A FLEXTECH silicone heater hose is used in industrial heating and cooling systems to transfer hot water or coolant. Its SAE J20R3 rating and -65° to 450°F range suit heavy-duty applications in plant machinery, HVAC, and process equipment where flexibility and heat resistance are critical.

What are the specifications of the FLEXTECH HT40-238 hose?

The FLEXTECH HT40-238 is a 36 in long silicone heater hose with a 2 25/64 in inside diameter. It has a red silicone cover and silicone tube, rated for -65° to 450°F. It meets SAE J20R3 standards for industrial coolant and hot-water transfer.

Where to buy FLEXTECH silicone heater hose worldwide?

3G Electric supplies the FLEXTECH HT40-238 silicone heater hose to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this SAE J20R3 hose.

How to select the right FLEXTECH heater hose for my system?

Select a FLEXTECH heater hose based on inside diameter, length, and temperature range. For the HT40-238, ensure your system operates within -65° to 450°F and uses silicone-compatible fluids. Verify SAE J20R3 compliance for industrial coolant applications.

Used in

Common applications for FLEXTECH
Industrial burner systems — FLEXTECH silicone heater hoses for coolant circulation in preheat loops
Turbocharged diesel engines — FLEXTECH charge air cooler hoses for intake air routing
HVAC equipment — FLEXTECH vacuum hoses for pneumatic control lines
Marine engine cooling — FLEXTECH SAE J20R3 heater hoses for raw water and closed-loop systems
Generator sets — FLEXTECH 45° elbow hoses for coolant line routing in confined spaces
Compressed air systems — FLEXTECH silicone hoses for high-temperature air transfer
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FLEXTECH Products

3G Electric supplies FLEXTECH silicone sae j20r3 heater hoses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This silicone heater hose meets SAE J20R3 standards for coolant and hot-water transfer in industrial heating systems. With a 4-inch inside diameter and 12-foot length, it handles temperatures from -65° to 450°F. The red silicone cover and tube resist degradation in high-heat environments such as boilers, heat exchangers, and process machinery

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