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.

Safe Signal
Safe Signal ESPS10-2 Adjustable Alarm Pressure Switch
Sale price$67.90
Regular price$81.48
In Stock
Viking
Viking 24682AB Sprinkler 155°F (K5.6)
Sale price$17.10
Regular price$20.52
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal WK-844648-000 Corner Pulley, 1/2 EMT
Sale price$18.85
Regular price$22.62
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal WK-802742-000 Vent, 2 Second
Sale price$129.70
Regular price$155.64
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal WK-802745-000 Vent, 5 Second
Sale price$129.70
Regular price$155.64
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-930117-000 Blow Off Fixture
Sale price$469.60
Regular price$563.52
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-897636-000 CO2 Discharge Delay, 60 Second, (UL, ULC & Marine Approvals Only)
Sale price$2,363.80
Regular price$2,836.56
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal WK-802746-000 Vent, 10 Second
Sale price$129.70
Regular price$155.64
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-874290 Pressure Trip
Sale price$307.05
Regular price$368.46
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-874290-000 Pressure Operated Release
Sale price$331.10
Regular price$397.32
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 81-871071-000 CO2 Discharge Delay, 30 Second, (UL, ULC & Marine Approvals Only)
Sale price$2,263.25
Regular price$2,715.90
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 6-01-7172-1129 Release Unit, 124 Bar, Ex d (Non-EU)
Sale price$5,657.50
Regular price$6,789.00
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 1-875553 Discharge Indicator
Sale price$276.20
Regular price$331.44
Not in stock - available on backorder - lead time on request
Det-Tronics
Det-Tronics 000210-218 Discharge Indicator, 3/4 in NPT
Sale price$492.40
Regular price$590.88
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 06901-P001 Pull Pin SS NM Sales
Sale price$5.55
Regular price$6.66
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 00532-P024 Chain Pull Pin Sales Pack of 24
Sale price$25.00
Regular price$30.00
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 16354-P004 Pull Pin & Chain Assembly SM SS Sales Pack of 4
Sale price$7.90
Regular price$9.48
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 38-400011-001 Anti-recoil Cap with Actuation Test Pin
Sale price$139.95
Regular price$167.94
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 6100 Pull Pin&wire SS LG Sales
Sale price$10.05
Regular price$12.06
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 00160-P024 Pull Pin SS LG Pack of 24
Sale price$25.20
Regular price$30.24
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 13888-P012 Pull Pin & Chain Assembly LG SS Sales Pack of 12
Sale price$30.35
Regular price$36.42
Not in stock - available on backorder - lead time on request
Amerex
Amerex Fire 00532-P100 Chain Pull Pin Sales Pack of 100
Sale price$104.15
Regular price$124.98
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 06-220151-001 Kidde AEGIS 2.0/AEGIS-XLT/AEGIS Spare Bezel Assembly
Sale price$110.95
Regular price$133.14
Not in stock - available on backorder - lead time on request
Kidde Fenwal
Kidde Fenwal 06-129860-001 Cup Check Assembly (for Check Diffuser 06-129854-001 Only)
Sale price$572.25
Regular price$686.70
Not in stock - available on backorder - lead time on request