Maxon 300CMA11-AA11-BB21A0 - 3in Normally-Closed Gas Safety Shut-Off Valve, 115V
Maxon 300CMA11-AA11-BB21A0 — 3" Automatic Gas Safety Shut-Off Valve
Maxon (a Honeywell company) 300CMA11-AA11-BB21A0 motorized automatic safety shut-off valve, 3" NPT, cast iron body, normally closed, for natural gas service. Electric actuator with proof-of-open and proof-of-closure switches. Model 25008005.
Specifications
- Size: 3" NPT · cast iron body
- Function: normally-closed automatic safety shut-off valve
- Actuator: 115V / 60 Hz, ~6-second opening
- Max operating pressure: 40 PSI (2.7 bar)
- Fuel: natural gas
- Switches: proof-of-open (VOS1) + proof-of-closure (VCS1)
- Ratings: NEMA 1/2/3/3R/4/12, IP65; FM, CSA, UL, EAC, UKCA approved
Condition
New, unused surplus from Federal Thermal's Tulsa warehouse — never installed. Original manufacturer warranty has expired. Sold as-is — all sales final, no returns. Photos are of the actual item(s).
Shipping
Ships via UPS Ground (calculated) from Tulsa, OK 74145 within 2 business days; local pickup available. Message us before paying for combined shipping.
About Federal Thermal
Federal Thermal (Federal Corporation) is an Oklahoma commercial & industrial thermal solutions company — boiler room equipment, controls, burner management, and system integration since 1918. Surplus clearance from our Tulsa warehouse. Also at federalthermal.com/shop.

