Apply to be a TradeMaster!
Filter menu expanded

Filters

168 items
Reset

SORT

Product Availability
–

Show In Stock Only (35)

Review Score
–

(20)
(4)

Price Range
–

$5 to $10 (5)
$10 to $15 (11)
$15 to $20 (5)
$20 to $25 (10)
$25 to $30 (5)
$30 to $35 (2)
$35 to $40 (5)
$40 to $45 (2)
$45 to $50 (2)
$50 to $60 (8)

High Efficiency Parts (Commercial)

168 items
Grid
List
Compare
Product Image of Kit, Gas Control Valve, Convertible, Propane, 100093922
Kit, Gas Control Valve, Convertible, Propane, 100093922
SKU: 100093922
AO Smith
SKU: 100093922
Brand: AO Smith
$140.00 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Low Gas Pressure Switch, 100109151
Low Gas Pressure Switch, 100109151
SKU: 100109151
AO Smith
SKU: 100109151
Brand: AO Smith
$77.34 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Gas Valve - Venturi Assembly, Propane Gas, 100111062
Gas Valve - Venturi Assembly, Propane Gas, 100111062
SKU: 100111062
AO Smith
SKU: 100111062
Brand: AO Smith
$641.44 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Controller for BTH/SUF/HCG 100-199, Propane Gas, 100111531
Controller for BTH/SUF/HCG 100-199, Propane Gas, 100111531
SKU: 100111531
AO Smith
SKU: 100111531
Brand: AO Smith
$824.01 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Pump, Grundfos, 100108706
Kit, Pump, Grundfos, 100108706
SKU: 100108706
AO Smith
SKU: 100108706
Brand: AO Smith
$242.57 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Triple Manifold Kit
Triple Manifold Kit
SKU: 100111393
AO Smith
SKU: 100111393
Brand: AO Smith
$2,650.83 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Quad Manifold Kit
Quad Manifold Kit
SKU: 100111394
AO Smith
SKU: 100111394
Brand: AO Smith
$3,515.01 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Vent for BTH 120-250, ULC Compliant, 100111111
Vent for BTH 120-250, ULC Compliant, 100111111
SKU: 100111111
AO Smith
SKU: 100111111
Brand: AO Smith
$306.00 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Pressure Switch Kit, BTN 366/400, 100109949
Pressure Switch Kit, BTN 366/400, 100109949
SKU: 100109949
AO Smith
SKU: 100109949
Brand: AO Smith
$52.05 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Flue Damper, 9", 100108847
Kit, Flue Damper, 9", 100108847
SKU: 100108847
AO Smith
SKU: 100108847
Brand: AO Smith
$506.60 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Manifold, 100108723
Kit, Manifold, 100108723
SKU: 100108723
AO Smith
SKU: 100108723
Brand: AO Smith
$31.96 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Flue Damper, 10", 100108848
Kit, Flue Damper, 10", 100108848
SKU: 100108848
AO Smith
SKU: 100108848
Brand: AO Smith
$501.50 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Manifold Door Assembly, Nat, 100093932
Kit, Manifold Door Assembly, Nat, 100093932
SKU: 100093932
AO Smith
SKU: 100093932
Brand: AO Smith
$177.11 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Field Conversion, Gen 1, 400 Series, 100187849
Field Conversion, Gen 1, 400 Series, 100187849
SKU: 100187849
AO Smith
SKU: 100187849
Brand: AO Smith
$1,424.55 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Warranty Extension, 2 Year, Promax 8
Kit, Warranty Extension, 2 Year, Promax 8
SKU: 100109797
AO Smith
SKU: 100109797
Brand: AO Smith
$75.83 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Inlet, Water, 100076154
Kit, Inlet, Water, 100076154
SKU: 100076154
AO Smith
SKU: 100076154
Brand: AO Smith
$26.88 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Spread Assembly, Aluminum, 100110428
Kit, Spread Assembly, Aluminum, 100110428
SKU: 100110428
AO Smith
SKU: 100110428
Brand: AO Smith
$140.57 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Manifold/bracket Assembly, 16", Crushed Nat, 100069410
Manifold/bracket Assembly, 16", Crushed Nat, 100069410
SKU: 100069410
AO Smith
SKU: 100069410
Brand: AO Smith
$21.77 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of 2" Low Profile Vent for BTX, BTXL 100 (Series 130/131), 100187903
2" Low Profile Vent for BTX, BTXL 100 (Series 130/131), 100187903
SKU: 100187903
AO Smith
SKU: 100187903
Brand: AO Smith
$140.70 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Manifold Door Assembly Kit, NG, MFG40, 100093923
Manifold Door Assembly Kit, NG, MFG40, 100093923
SKU: 100093923
AO Smith
SKU: 100093923
Brand: AO Smith
$113.75 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Pilot W/tubing & Adapter, R/s, Natural, 100109070
Kit, Pilot W/tubing & Adapter, R/s, Natural, 100109070
SKU: 100109070
AO Smith
SKU: 100109070
Brand: AO Smith
$36.00 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Igntn Control Relay, Polaris, 175/199k, 100093712
Kit, Igntn Control Relay, Polaris, 175/199k, 100093712
SKU: 100093712
AO Smith
SKU: 100093712
Brand: AO Smith
$288.57 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Manifold Door Assembly, Nat, 100093799
Kit, Manifold Door Assembly, Nat, 100093799
SKU: 100093799
AO Smith
SKU: 100093799
Brand: AO Smith
$127.02 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of O-ring, Repl, 1.5l Anti-scale Prod Preserv, 100226720
O-ring, Repl, 1.5l Anti-scale Prod Preserv, 100226720
SKU: 100226720
AO Smith
SKU: 100226720
Brand: AO Smith
$14.30 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Burner, W/gasket, 100112455
Kit, Burner, W/gasket, 100112455
SKU: 100112455
AO Smith
SKU: 100112455
Brand: AO Smith
$979.87 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Valve, Pilot, 90 Deg, 100059254
Valve, Pilot, 90 Deg, 100059254
SKU: 100059254
AO Smith
SKU: 100059254
Brand: AO Smith
$323.13 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Restrictor for BTH 150 NG, 100050673
Restrictor for BTH 150 NG, 100050673
SKU: 100050673
AO Smith
SKU: 100050673
Brand: AO Smith
$11.82 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Manifold/bracket Assembly, 14", Crushed Nat, 100069404
Manifold/bracket Assembly, 14", Crushed Nat, 100069404
SKU: 100069404
AO Smith
SKU: 100069404
Brand: AO Smith
$21.77 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Burner for BTH/SUF/HCG 60-120, Natural & Propane, 100111051
Burner for BTH/SUF/HCG 60-120, Natural & Propane, 100111051
SKU: 100111051
AO Smith
SKU: 100111051
Brand: AO Smith
$223.54 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Final Burner Assembly, Nat, #32 Orifice, 100092569
Kit, Final Burner Assembly, Nat, #32 Orifice, 100092569
SKU: 100092569
AO Smith
SKU: 100092569
Brand: AO Smith
$96.04 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Manifold, Lp, 1/2, 19.75/20", 100069411
Manifold, Lp, 1/2, 19.75/20", 100069411
SKU: 100069411
AO Smith
SKU: 100069411
Brand: AO Smith
$14.66 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Burner, Replacement Part, Polaris, Lp, 100093671
Kit, Burner, Replacement Part, Polaris, Lp, 100093671
SKU: 100093671
AO Smith
SKU: 100093671
Brand: AO Smith
$300.19 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Thermo(high Limit), 200f, Manual Reset, 100109100
Kit, Thermo(high Limit), 200f, Manual Reset, 100109100
SKU: 100109100
AO Smith
SKU: 100109100
Brand: AO Smith
$29.21 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Vent Kit, 30/40 Gallon Direct Vent, 3", 100109072
Kit, Vent Kit, 30/40 Gallon Direct Vent, 3", 100109072
SKU: 100109072
AO Smith
SKU: 100109072
Brand: AO Smith
$114.89 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Tstat, 180 Degree, Polaris, 100 Gallon, 100093714
Kit, Tstat, 180 Degree, Polaris, 100 Gallon, 100093714
SKU: 100093714
AO Smith
SKU: 100093714
Brand: AO Smith
$240.70 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Final Burner Assembly, Nat, 18", #3.0 Orifice, 100111259
Kit, Final Burner Assembly, Nat, 18", #3.0 Orifice, 100111259
SKU: 100111259
AO Smith
SKU: 100111259
Brand: AO Smith
$130.27 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Knob, Thermostat, Adjustment, D Shaft.ele, 100108781
Kit, Knob, Thermostat, Adjustment, D Shaft.ele, 100108781
SKU: 100108781
AO Smith
SKU: 100108781
Brand: AO Smith
$25.54 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Flue Damper, 7", 100108845
Kit, Flue Damper, 7", 100108845
SKU: 100108845
AO Smith
SKU: 100108845
Brand: AO Smith
$470.00 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit Flapper, 100228405
Kit Flapper, 100228405
SKU: 100228405
AO Smith
SKU: 100228405
Brand: AO Smith
$1,510.53 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Final Burner Assembly, Nat, Fv, #31 Orifice, 100109795
Kit, Final Burner Assembly, Nat, Fv, #31 Orifice, 100109795
SKU: 100109795
AO Smith
SKU: 100109795
Brand: AO Smith
$178.36 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Personnel Protector, Elec Thermostat, 100108604
Kit, Personnel Protector, Elec Thermostat, 100108604
SKU: 100108604
AO Smith
SKU: 100108604
Brand: AO Smith
$18.06 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Pipe, Flue Extension, 3.5 X 18, Al, 100108866
Kit, Pipe, Flue Extension, 3.5 X 18, Al, 100108866
SKU: 100108866
AO Smith
SKU: 100108866
Brand: AO Smith
$65.80 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Gas Control Valve, 3/4" Comm Cont, Nat, 100108769
Kit, Gas Control Valve, 3/4" Comm Cont, Nat, 100108769
SKU: 100108769
AO Smith
SKU: 100108769
Brand: AO Smith
$282.99 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Manifold/bracket Assembly, 18", Lp, 100069419
Manifold/bracket Assembly, 18", Lp, 100069419
SKU: 100069419
AO Smith
SKU: 100069419
Brand: AO Smith
$20.95 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Rod, Holder, 100076084
Kit, Rod, Holder, 100076084
SKU: 100076084
AO Smith
SKU: 100076084
Brand: AO Smith
$14.17 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Kit, Igniter, 100112456
Kit, Igniter, 100112456
SKU: 100112456
AO Smith
SKU: 100112456
Brand: AO Smith
$190.04 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Blocked Inlet Switch, 100109973
Blocked Inlet Switch, 100109973
SKU: 100109973
AO Smith
SKU: 100109973
Brand: AO Smith
$37.42 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Compare
Product Image of Controller for BTH/SUF/HCG 100-150, Natural Gas, 100111526
Controller for BTH/SUF/HCG 100-150, Natural Gas, 100111526
SKU: 100111526
AO Smith
SKU: 100111526
Brand: AO Smith
$872.75 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
×

Video