4 - Zone Expandable Switching Relay - ARGO - ARM4P BaseSKU-PHH118-E-C (PM12R) 14 x 18 x

(PM12R) 14 x 18 x 3/4 x 3

Hardware Sold Separately

HRX14 Universal Stainless Steel Trash Chute Door Wall Sleeve

Reference #30 (image)

4 - Zone Expandable Switching Relay - ARGO - ARM4P BaseSKU-PHH118-E-C (PM12R) 14 x 18 x4 Zone Switching Relay with priority Electronic Fuse Auto reset Robust Transformer Enough to handle up to 15 zones Double sided printed circuit board construction 100% factory tested for reliability Clearly marked terminals with clamping plates Separate xx (isolated switch) & ZC ZR Relays protect boiler aquastat Priority Safety Timer Ensures other zones get heat every 30 minutes & prevents freeze ups 5 second Time Delay for boiler shut off Relay