Bell & Gossett 401434 75 Series Steam Air Valve
The Bell & Gossett 401434 75 Series Steam Air Valve features FNPT x MNPT connections with a 3 psi pressure float-type thermostatic vent, designed for medium to large systems. It includes a single fixed port with a 1/2" NPT female and 3/4" NPT male straight shank. The valve operates at a maximum pressure of 3 psig (0.2 bar) for Model 75 and can withstand up to 15 psig (1.0 bar) overall.
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Orders placed by 2:00pm EST will ship same day, except on holidays.
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Product overview
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Delivery & Returns
Orders will ship same day if received by 2pm EST.
Upcoming holiday closures: July 3, 2026
All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.
FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.