Air Vents

401475 Hoffman 508 1/8NPT Straight H2O Vent Vlv
1/8NPT Straight H2O Vent Vlv * P/N: 401475; Air Vent Valve; Water = 50#Steam = 15#; Max Water Temp. Is 230F; 1/8 NPT Straight Shank; Auto Or Manual Vent System; Disc Type; Built In Check Valve w/Disc Replaceable W/O Draining System

Hoffman Specialty

401475

$18.63 EA
$42.10
16 In Stock
401485 Hoffman 78 High pressure water main vent
High pressure water main vent * Glycol High pressure water main vent valve. 3/4 NPT. Hot/chilled water and glycol compatible. Max pressure 150 PSI. Max temperature 250F. 1/8 FPT safety drain.

Hoffman Specialty

401485

751875018491

$249.50 EA
$558.27
1 In Stock
401488 Hoffman 79 Water Vent 1/2 or 3/4
Water Vent 1/2 or 3/4 * Water Main Vent Valve. 1/8 Fpt Tap For Safety Drain Line. 75 PSI Max Operating Pressure 1/2 Fpt Or 3/4 Mpt Connection

Hoffman Specialty

401488

751875018507

$156.94 EA
$351.17
91 In Stock
401497 Hoffman 77h Vent
Vent * Water Vent Valve For Hydronic Heating Systems. 1/8 NPT Straight Shank. Maximum operating Pressure 35 PSI. Maximum Temperature 230F.

Hoffman Specialty

401497

$54.75 EA
$122.51
2 In Stock