217111-300 Armstrong Hydronic Specialties TDU-2-18 air charger / tank drain. All brass. 1/2" NPT.
1/2" Boiler Reducing Valve
RD-11U Armstrong 1/2" boiler reducing valve. All brass. Factory set at 12 psi. (Adjustable from 7 - 25 psi).
$59 each
$25 each
1/2" Combination Valve
C-11U Armstrong 1/2" combination valve. Reduces city pressure to 12 psi. (settable). 30 psi relief valve. Includes union. All brass. Same as B & G 3.8, F-3, F-8.
1/2" Boiler Relief Valve
R11 Armstrong 1/2" boiler relief valve. 30 psi. 3 port. All brass. Equal to B & G A-3, A-8.
$75 each
$20 each
#71 Automatic
Air Vent
NO-71 Armstrong #71 automatic air vent. All brass. 1/4" male. Goodman P/N: 272005-002.
3/4" Brass Reducing Valve
RD-40 Armstrong 3/4" brass reducing valve. Set at 12 psi (adjustable from 7 - 25 psi). Same as B & G B-71.
