1830 SMALL SPRING VALVE HEATED
PRESSURE RELIEF PORT

- Protects from structural damage because of temperature/pressure build up
- Compensates for air expansion and contraction
NOTES:
- Walk-In operation temp range: -30°F(-34.3°C) to 40°F(4.4°C)
Specifications
MATERIAL
Body: All metal parts are aluminum.
Internal Sleeve: self-extinguishing Lexan.
COVER PLATE
5-3/32" (129.4mm) diameter round aluminum cover plate.
UL LISTING
File No. E57306
LENGTH
Standard for 4" (101.6mm) wall thickness; other lengths available. Specify exact wall thickness; we will convert to our part number.
DIAMETER
See Catalog.
MOUNTING
May be mounted through wall or ceiling.
POWER
120 V, 23 W, 0.2 Amp
240 V, 23 W, 0.1 Amp