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4A Air Valve (non-vacuum) for Small Steam System Mains
Hoffman Specialty's Model 4A Part No. 401413 Air Valve (non-vacuum) Float-type thermostatic vent. For residential or small one-pipe or two-pipe steam systems. Single non-adjustable port.
| Model | List Price | Your Price | Quantity |
|
Main Vent 401413 Quantity Breaks Available:
|
$46.00 | $36.80 |
Main Steam Vents for Medium & Large Steam Systems
Hoffman Specialty Air Valves - Model 75, #401434 (for Low Pressure Steam) & Model 75H, #401437 (for High Pressure Steam). Float-type thermostatic vent (non-vacuum)for medium and large steam systems. Single non-adjustable port, 1⁄2" NPT female and 3⁄4" NPT.
| Model | List Price | Your Price | Quantity |
|
Model #75 Low Pressure Steam 401434 Quantity Breaks Available:
|
$104.00 | $83.20 | |
|
Model #75H - High Pressure Steam 401437 Quantity Breaks Available:
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$112.00 | $89.60 |
Radiator Steam Vent - Air Valve (non-vacuum)
Hoffman Radiator Steam Vent / Air Valve (non-vacuum) Model - 1A, Part #401422. 1/8 inch MIP, angle connection. Float type vent. Adjustable port for true proportionable venting - 6 different port settings from slow (1) to fast (6). Use: Mounted on the side tapping of a radiator that is connected to a one-pipe steam heating system.
| Model | List Price | Your Price | Quantity |
|
1/8" Male NPT 1A |
$41.00 | $32.80 |
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