Intermatic PF1103 Freeze Control Freeze Protection 120/240V Conv 1.5/3Hp 

Designed to Protect Pool / Spa Equipment and Plumbing Against Freeze Damage

Turns on Pump and Heater When Outdoor Temperature Drops Below User Setting
One Circuit Control, Connects to a Timing or Switching Device to Operate Equipment and Prevent Freeze Damage 
Enclosure Size: 9-3/8"H x 5-1/4"W x 3-5/8"D
Thermostat Range: 45 -32F +/- 5 Degrees
Neutral Required
Replacement For: 
AI #924350-001 / MFG #FC-5SS-95
AI #924456-001 / MFG #FS240