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Index
Notes
Part No.
Common Components for both Steam and Water
381-800-476 Vent Damper Assembly, 6"
510-512-337 Vent Damper Actuator
591-391-795 Vent Damper Harness
511-330-218 Pilot Assembly Kit
511-044-381 Combination Gas Valve (NG), ½" x ½" N.P.T., 24 Volt
560-742-860 Bleed Line Aluminum Tubing, ⅛" O.D. X 22¾" Long
512-050-230 Rollout Thermal Fuse Element, 228°C
Natural Gas (Water boilers only) No tankless heater
381-330-039 Control Module - Natural Gas
381-356-589 Temperature/LWCO Sensor
591-392-106 Wire harness - Sensor EG 30 thru 75 Water
591-391-975 Wire Harness, Power, J Box To Module
381-356-528 Circulator Wiring Harness Kit with Molex
591-391-990 Controls To Module Harness
591-391-994 Wire harness - Thermostat
381-356-578 Control Transformer, 24 Volt, 40 VA
381-356-586 Outdoor Temperature Sensor Kit
Natural Gas (Water boilers only) With tankless heater
511-330-097 Intermittent Pilot Ignition Module, 24 Volt
510-312-249 Combination High Limit / Low Limit / Circulator Control With Transformer
540-130-960 Wire Harness
592-300-027 ¾" N.P.T. Well, 4¼" Long For Hydrolevel 3250
510-312-166 Control Transformer/Relay Receptacle 120/24 Volt, 40 VA