The mechanical parts that complete a fixed suppression system beyond the cylinder, valve and nozzle: manifolds that combine multiple cylinders into one discharge path, actuator assemblies that convert the release signal into mechanical action, pressure switches that confirm discharge back to the panel, and the associated fittings.
Every one of these is matched to the system design. Pressure switches in particular are the panel's proof that discharge actually occurred, so a substitution changes what the system reports. Order from the system drawings.

Kidde Fenwal
Kidde Fenwal 6-01-7171-1129 Contact Pressure Gauge Unit 124 Bar Exd (NON EU)
Sale price$2,939.40
Regular price$3,527.28
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-872310-000 Pneumatic Control Head, Tandem 1
Sale price$1,906.80
Regular price$2,288.16
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-870122-000 CO2 Stop Valve, 1
Sale price$2,539.20
Regular price$3,047.04
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 6-01-6363-0000 1/4" Pilot Line Non Return Valve
Sale price$85.40
Regular price$102.48
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 82-878755-000 Hydrostatic Test Adapter - 2" ECS, ADS Valve
Sale price$897.15
Regular price$1,076.58
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 45-114360-001 Gauge, for Fluoro-K ADS Valves
Sale price$127.10
Regular price$152.52
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 45-117500-001 Gauge, for ECS-500 3M NOVEC 1230 Valves (Availability Limited to Quantity on Hand, See Bulletin 2024-04K)
Sale price$127.10
Regular price$152.52
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 38-400005-100 Gauge Signal Cable Male & Female 2 Cables, Dual Core 12" (300mm)
Sale price$105.80
Regular price$126.96
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 63-30610177-000 1/4" (6 mm) NPT Elbow, Flared, Vented
Sale price$28.10
Regular price$33.72
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-681012-900 Flange-Weld, 3" CL900
Sale price$1,545.25
Regular price$1,854.30
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-872362-000 Pneumatic Control Head, 6 2 Seconds
Sale price$1,668.05
Regular price$2,001.66
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-870032-000 CO2 Stop Valve, 1-1/4
Sale price$2,813.10
Regular price$3,375.72
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-152900-875 Nut-Hex, 7/8 for 3 CL900 Flanges
Sale price$19.70
Regular price$23.64
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-875553-000 Discharge Indicator, 1/2 NPT (Aluminum)
Sale price$337.75
Regular price$405.30
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-D9226-014 GCV50 Valve Refurb Kit
Sale price$280.85
Regular price$337.02
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-802536-000 Union, 1/8 X 3/16, with 1/8 Nut
Sale price$69.15
Regular price$82.98
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-872365-000 Pneumatic Control Head, 6 5 Seconds
Sale price$1,568.25
Regular price$1,881.90
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-872330-000 Pneumatic Control Head, Tandem 3
Sale price$1,909.35
Regular price$2,291.22
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-802535-000 Union, 1/8 with Nuts
Sale price$73.45
Regular price$88.14
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-90-170100-000 GCV80 Valve Refurb Kit - No Burst Disc
Sale price$210.90
Regular price$253.08
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-6992-0503 Male Elbow, 5/16 in. Flare X 1/8 in. NPT
Sale price$84.55
Regular price$101.46
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-486500-01 Electric Control Head, Stackable, (for Use with 11/2 and 2" Valve)
Sale price$390.05
Regular price$468.06
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-196900-875 Stud, 7/8" Fully Threaded, for 3 CL900 Flanges
Sale price$110.10
Regular price$132.12
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 38-400005-105 Gauge Signal Line - Female Connector Fly Lead, 39.3" (1000mm) for Connection to Panel/junction Box
Sale price$32.45
Regular price$38.94
Not in stock - available on backorder - lead time on request