Broan-NuTone® 634 Steel Roof Cap, 3-1/4-Inch x 10-Inch or Up to 8-Inch Round Duct, Black Dual Range Systems up to 20 KW

Systems up to 20 KW

Material: Induction Hardened Steel

Solid Primary Material: Brass Tank Tee: 2-07TK-25-2NL - No Lead 1" x 10" Cntr-End Solid Brass Tank Tee Check Valve: 17YBCV100NL - No Lead 1" Brass Check Valve Boiler Drain: 0853-05NL - No Lead 1/2" MPT Boiler Drain Relief Valve: RVNB05-075NL - No Lead 1/2" Brass Relief Vlve Non-Adjustable - Set @ 75 PSI Nipple: BRN-0230 - 1/4" x 3" R Brass Nipple Pressure Guage: PG-100NL - No Lead 2" Dry 1/4" LM 0-100 Pressure Switch: FSG2J21M4 - 1/4" FPT 30-50 PSI Low Lev

with a run time of up to 21 hours and is impact-resistant

9 feet to 13 feet of adjustable length

Broan-NuTone® 634 Steel Roof Cap, 3-1/4-Inch x 10-Inch or Up to 8-Inch Round Duct, Black Dual Range Systems up to 20 KWBroan NuTone 634 Steel Roof Cap, 3 1 4 Inch x 10 Inch or Up to 8 Inch Round Duct, Black Select the Broan NuTone 634 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3 1 4" x 10" or up to 8" round duct. Includes a built in back draft damper, and protective bird screen to prevent small pests from entering duct. Specifications INSTRUCTIONS