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120 Vac Hydronic Control with 3 Zones expandable, Priority Control and 40 F to 105 F temperature range • Provide burner control and circulator control for up to 3 (R8888A) or 4 (R8888B) zones in hot water systems. • For use in residential and light commercial applications. • Zone One can be selected to give priority to indirect hot water tank. • Zone 2 burner control can be disabled. The circulator can run without the burner to prevent short cycling of small capacity zones. • Up to four panels (12 to 16 zones total) may be used in a system. • The R8888 may be used in combination with the R8889 Hydronic Zone Valve Panels with Priority Control. • Operates 120V motors up to 1/6 hp. 24V internal transformer provides power for low voltage control circuit. • Diagnostic LEDs for troubleshooting. • Socket-mounted and field-replaceable relays. • Clearly marked terminal designations for easy wiring. • Compatible with Honeywell and competitive electronic thermostats. 120 Vac Hydronic Control with 3 Zones expandable, Priority Control and 40 F to 105 F temperature range Provides switching for up to 3 zones. Zone one can be field-configured as priority over the other zones. Includes 24 Volt Transformer to provide power to low voltage circuit. Load Ratings: 4.4 AFL @ 120 Vac. Locked Rotor: 26.4 ALR @ 120 Vac. Horsepower: 1/6 hp. Secondary Circuit: 20 VA max. Anticipator Setting: 0.15 A. Operating Temperature Range (F) Operating Temperature Range (C) Operating Humidity Range (% RH) 1/2" conduit knockouts in side of case. Approvals, Underwriters Laboratories Inc UL c/us Listed: File no. E4436. AT20A1123 Transformer (24Vac).;208621 Replacement circulator and burner relay. Click Here For Additional Information. (We do not proofread any ads submitted by members) |
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