The L8148E1265 from Honeywell is a High Limit Aquastat Relay, 120°F to 240°F. This immersion-type controller combines high limit protection with switching relay control of burner and circulator motors.

Features:

• High limit opens burner circuit only;
• 1/2” Capillary;
• Requires a 24 Vac thermostat with heat anticipator set at 0.2A;
• Case available for vertical or horizontal surface.

Technical Specifications:

• Application: High Limit;
• Dimensions (Height x Width x Depth): 6 1/8" x 4 5/16" x 3 1/8" (156mm x 110mm x 79mm);
• Temperature Range: 150°F with 1.2 A 24 V load, 77°F with 1.4 A 24 V load (66°C, 25°C);
• Mounting: Vertical;
• Operating Temperature Range: 120°F - 240°F (48°C – 116°C);
• Differential Temperature: 5°F to 30°F adj (3°C to 17°C adj);
• Electrical Ratings, Burner & Circulator: Millivolt - 0.25A @ 0.25-12 Vdc, At Full Load - 8A @ 120 Vac (5.1A @ 240Vac), At Locked Rotor - 48A @ 120 Vac (30.6A @ 240Vac).