The Inline Mechanical T 3.5” Base SprinkGUARD is designed to protect sprinkler heads from inadvertent activation by foreign objects. Our industrial-strength Inline Mechanical T 3.5” Base SprinkGUARD can be used with upright and pendent sprinkler heads.

Built to withstand the impact of virtually any hazard
Attached directly to the supply line, preventing contact with the sprinkler head
Heavy-duty, laser-cut welded steel
Strength and durability make guards a one-time purchase
Engineered and manufactured in the USA

This Inline style is designed to fit on line sizes 3/4” to 2-1/2"O.D. (outside diameter). If line size is greater than 2-1/2", please see our SG253 Inline Mechanical T 5” Base SprinkGUARD.

Please review this guard's specific Product page to verify classification and application.

SprinkGUARD can also custom design guards to meet your specific specifications and unique application.

International Orders:

For additional help with shipping or international orders, please reach out to our customer service team at: 800-486-1723

Inline Mechanical T 3.5" Base

Line Size

U Bolt Size

U-Bolt Sizing and Application
U-Bolt Sizing is measured by the Outside Diameter
1-3/8" W x 2-3/4" L x 1/4" thickness - for 1" to 1-1/4" Outside Diameter line size
2" W x 3-1/4" L x 1/4" thickness - for 1-1/2" Outside Diameter line size
2-5/8" W x 4-1/4" L x 1/4" thickness - for 2" Outside Diameter line size
3" W x 4-3/8" L x 1/4" thickness - for 2-1/2" Outside Diameter line size
3-1 /2" W x 4-3/4" L x 1 /4" thickness - for 3" Outside Diameter line size
4" W x 5-1 /2" L x 1 / 4" thickness - for 3-1 /2" Outside Diameter line size

Quantity	Price
1 - 99	$38.50
100 - 499	$38.00
500 - 999	$37.50
1000 - 9999	$37.00

Weight	1.2 lbs
Dimensions	5.75 × 3.5 × 5.43 in
Product Specifications	Material & Finish – Laser-cut, mild grade steel – Durable powder coat finish – Stainless Steel Available – Please contact us.

ThreadGuard tool

ThreadGuard tool

Inline Mechanical T 3.5" Base

Quantity Discount

Additional Information

Hardware Specifications