Top 10 Electric Furnace Sequencer – Furnace Replacement Relays

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1. Supplying Demand

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Supplying Demand 105 Furnace Heat Sequencer 1DPST 1SPST 24 V On 1-110 Off 1-110

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Supplying Demand #ad - Replaces part numbers q105, 24a34-5, 51172-32-2, GS105, ns105, & 33232. Combined load ratings: 30a @240V AC, Total heater load no fan included. Comes in Supplying Demand packaging. 23a non-inductive + 7fla motor/transformer/42 LRA Inductive or 88 LRA @ 277V. Compatible With Major Brands.
BrandSupplying Demand #ad
ManufacturerSupplying Demand #ad
Part NumberSDNS105
WarrantyAll Supplying Demand products come with a 60-day money back guarantee and 1-year warranty. The order can be returned within 60 days in its original condition for a full refund or replaced within 1 year after providing a compatible model and serial number.

2. Emerson Thermostats

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Emerson 24A34-3 Electric Heat Sequencer, 2 Switches

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Emerson Thermostats #ad - 24 volt input control. On timings: 1-20 sec. Off timings: 40-110 sec. Two switches. Direct replacement for Most Fan / Heat Sequencing Functions.
BrandEmerson Thermostats #ad
ManufacturerEmerson Climate Technologies #ad
Height5.25 Inches
Length2.5 Inches
Weight0 Pounds
Width3.5 Inches
Part Number24A34-3
Model24A34-3

3. PROTACTOR

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Protactor Electric Furnace Sequencer, Three Switches

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PROTACTOR #ad - Protactor Two Year Replacement Policy. Controls three elements plus Fan - Frequently Used on 15 KW Furnaces. 1/4" quick connect terminals marked m1, M2, M5, M3, M4, and M6. Sequencer With Three Switches. Replaces triple stack sequencers used by most manufacturers including: coleman evcon york luxaire 3115-3571, pd425121, goodman amana janitrol B12565-53, rheem ruud Weatherking PD425120, pd425126, 309563, B1256553, S1-3115-3571, 42-19813-06, and Emerson White Rodgers 24A34-5.
BrandPROTACTOR #ad
ManufacturerOneTrip Parts #ad
Part NumberPT-S15KW
ModelPT-S15KW

4. Supplying Demand

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Supplying Demand 106 Furnace Heat Sequencer 2DPST 24 Volt On 1-110 Off 1-110

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Supplying Demand #ad - Replaces part numbers q106, ns106, 24a34-6, gs106, 51172-33-1, & 33233. Compatible With Major Brands. Combined load ratings: 30a @240V AC, Total heater load no fan included. 23a non-inductive + 7fla motor/transformer/42 LRA Inductive or 88 LRA @ 277V. Comes in Supplying Demand packaging.
BrandSupplying Demand #ad
ManufacturerSupplying Demand #ad
Height2 Inches
Length4 Inches
Weight4 ounces
Width2 Inches
Part NumberSDNS106
WarrantyAll Supplying Demand products come with a 60-day money back guarantee and 1-year warranty. The order can be returned within 60 days in its original condition for a full refund or replaced within 1 year after providing a compatible model and serial number.

5. Emerson Thermostats

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Emerson 24A34-6 Electric Heat Sequencer, 4 Switches

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Emerson Thermostats #ad - Off timings: 1-110 sec. 24 volt input control. Direct replacement for Most Fan / Heat Sequencing Functions. On timings: 1-110 sec. Four switches.
BrandEmerson Thermostats #ad
ManufacturerEmerson Climate Technologies #ad
Height5.25 Inches
Length2.5 Inches
Weight0 Pounds
Width3.5 Inches
Part Number24A34-6
Model24A34-6

6. Supplying Demand

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Supplying Demand 102 Furnace Heat Sequencer 1SPST 24 Volt On 30-90 Off 1-30

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Supplying Demand #ad - Compatible With Major Brands. Replaces part numbers q102, td-03, gs102, 24a34-2, & 33242. Comes in Supplying Demand packaging. Compatible with any units that have the same style of relay in place.
BrandSupplying Demand #ad
ManufacturerSupplying Demand #ad
Part NumberSDNS102
WarrantyAll Supplying Demand products come with a 60-day money back guarantee and 1-year warranty. The order can be returned within 60 days in its original condition for a full refund or replaced within 1 year after providing a compatible model and serial number.

7. PROTACTOR

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Two Switches, Protactor Electric Furnace Sequencer

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PROTACTOR #ad - Protactor Two Year Replacement Policy. 1/4" quick connect terminals Marked M1, M2, M3, and M4. Sequencer With Two Switches. Controls two elements plus Fan - Frequently Used on 10 KW Furnaces.

Replaces double stack sequencers used by most manufacturers including: coleman evcon york luxaire 3110-3571, hn67ka277, hn67qc005, b12565-52, 72f83, carrier bryant payne hn67bd003, b1256559, 425018, 42-19813-09, p284-1213, 22j5101, p284-1309, pd425078, 88w79, 3400-3561, 30987, s1-3110-3571, 72f8301, rheem ruud weatherking pd425118, hn67ka278, B1256552, goodman amana janitrol b12565-59, lennox armstrong ducane 309691, P284-1308, 42-19813-04, and Emerson White Rodgers 24A34-3.
BrandPROTACTOR #ad
ManufacturerOneTrip Parts #ad
Part NumberPT-S10KW
ModelPT-S10KW

8. Emerson Thermostats

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Emerson 24A34-4 Electric Heat Sequencer, 2 Switches

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Emerson Thermostats #ad - On timings: 30-90 sec. Direct replacement for Most Fan / Heat Sequencing Functions. 24 volt input control. Two switches. Off timings: 1-30 sec.
BrandEmerson Thermostats #ad
ManufacturerEmerson Climate Technologies #ad
Height5.25 Inches
Length2.5 Inches
Weight3.38 Pounds
Width3.5 Inches
Part Number24A34-4
Model24A34-4

9. Supplying Demand

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Supplying Demand 104 Furnace Heat Sequencer 1DPST 24 Volt On 30-90 Off 1-30

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Supplying Demand #ad - 23a non-inductive + 7fla motor/transformer/42 LRA Inductive or 88 LRA @ 277V. Combined load ratings: 30a @240V AC, Total heater load no fan included. Comes in Supplying Demand packaging. Replaces part numbers q104, 24a34-4, gs104, td-34, NS104, & 33245. Compatible With Major Brands.
BrandSupplying Demand #ad
ManufacturerSupplying Demand #ad
Part NumberSDNS104
WarrantyAll Supplying Demand products come with a 60-day money back guarantee and 1-year warranty. The order can be returned within 60 days in its original condition for a full refund or replaced within 1 year after providing a compatible model and serial number.

10. Supplying Demand

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Supplying Demand 103 Furnace Heat Sequencer 1DPST 24 Volt On 1-20 Off 40-110

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Supplying Demand #ad - Comes in Supplying Demand packaging. Combined load ratings: 30a @240V AC, Total heater load no fan included. Replaces part numbers q103, b1256504, gs103, td-12, 24A34-3, & 33244. 23a non-inductive + 7fla motor/transformer/42 LRA Inductive or 88 LRA @ 277V. Compatible With Major Brands.
BrandSupplying Demand #ad
ManufacturerSupplying Demand #ad
Part NumberSDNS103
WarrantyAll Supplying Demand products come with a 60-day money back guarantee and 1-year warranty. The order can be returned within 60 days in its original condition for a full refund or replaced within 1 year after providing a compatible model and serial number.