Resideo Combination Protector Relay & Hydronic Heating Control w/ High Limit: 10 F fixed, Low Limit/Circulator (10F to 25F)

Immersion type Aquastat controller and oil burner primary control provides high limit and low limit/circulator control for oil-fired hydronic heating systems. Specifications Use in intermittent ignition applications. Capable of zone control with zone valves. Circulator zone control with ZC and ZR terminals on R8182D,E,H,J. 8 Flame failure during the running cycle results in a 45 second attempt to restart. If unsuccessful, safety shutoff occurs, requiring manual reset before burner can be restarted. R8182D,E,F mount directly on burner; R8182H,J mount on 4 x 4 in. junction box and include 5 ft (1.5 m) armored capillary with remote sensor. C554A Cadmium Sulfide Flame Detector and a 24 Vac thermostat required. Features Description: Combination Protectorelay and Hydronic Heating Control with High limit: 10 F fixed; low limit/circulator: 10 F to 25 F adj. Differential Switching Action: SPST Operating Range, Low Limit (F): 110 to 220 F Operating Range, High Limit (F): 130 to 240 F Differential Temperature: High l...