Apply to be a TradeMaster!
Filter menu expanded

Filters

2,670 items
Reset

SORT

Product Availability

Show In Stock Only (395)

Product Type

Boiler (139)
Boiler Part (2433)
Tankless Heater (4)
Gas Valve (1)
Ignitor (12)
Miscellaneous (22)
ABS Fitting (1)
Control Board (1)
Control Module (2)
Flame Sensor (2)

Price Range

Under $1 (2)
$1 to $5 (58)
$5 to $10 (63)
$10 to $15 (48)
$15 to $20 (69)
$20 to $25 (56)
$25 to $30 (53)
$30 to $35 (87)
$35 to $40 (74)
$40 to $45 (77)

Laars

Help Face
Need a little help?
2670 items
Grid
List
Compare
Product Image of CTRL,PROG,NTV19, RXD7201
CTRL,PROG,NTV19, RXD7201
SKU: RXD7201
Laars
SKU: RXD7201
Brand: Laars
$520.46 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Burner 125-175, RL2018403
Burner 125-175, RL2018403
SKU: RL2018403
Laars
SKU: RL2018403
Brand: Laars
$475.56 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of NEOTHERM-LC-1000 Parts - Boilernot-to-sell-product
NEOTHERM-LC-1000 Parts - Boiler
SKU: NEOTHERM-LC-1000
Laars
SKU: NEOTHERM-LC-1000
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of Blower Gasket & Fastener, RS2105000
Blower Gasket & Fastener, RS2105000
SKU: RS2105000
Laars
SKU: RS2105000
Brand: Laars
$41.88 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Transition, Flapper, RS2116200
Transition, Flapper, RS2116200
SKU: RS2116200
Laars
SKU: RS2116200
Brand: Laars
$1,596.13 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of PENNANT-1500-LP Parts - Boilernot-to-sell-product
PENNANT-1500-LP Parts - Boiler
SKU: PENNANT-1500-LP
Laars
SKU: PENNANT-1500-LP
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of PENNANT-1500-NG Parts - Boilernot-to-sell-product
PENNANT-1500-NG Parts - Boiler
SKU: PENNANT-1500-NG
Laars
SKU: PENNANT-1500-NG
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of PENNANT-1750-LP Parts - Boilernot-to-sell-product
PENNANT-1750-LP Parts - Boiler
SKU: PENNANT-1750-LP
Laars
SKU: PENNANT-1750-LP
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of PENNANT-500-LP Parts - Boilernot-to-sell-product
PENNANT-500-LP Parts - Boiler
SKU: PENNANT-500-LP
Laars
SKU: PENNANT-500-LP
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of PENNANT-500-NG Parts - Boilernot-to-sell-product
PENNANT-500-NG Parts - Boiler
SKU: PENNANT-500-NG
Laars
SKU: PENNANT-500-NG
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of Pump Neotherm 105-150 Kit, RA2112227
Pump Neotherm 105-150 Kit, RA2112227
SKU: RA2112227
Laars
SKU: RA2112227
Brand: Laars
$1,014.31 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Pump Assembly, RA2112229
Pump Assembly, RA2112229
SKU: RA2112229
Laars
SKU: RA2112229
Brand: Laars
$1,180.35 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of RHEOS-1200N Parts - Boilernot-to-sell-product
RHEOS-1200N Parts - Boiler
SKU: RHEOS-1200N
Laars
SKU: RHEOS-1200N
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of RHEOS-2400N Parts - Boilernot-to-sell-product
RHEOS-2400N Parts - Boiler
SKU: RHEOS-2400N
Laars
SKU: RHEOS-2400N
Brand: Laars
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of Gas Valve Flange Kit, RP2050100
Gas Valve Flange Kit, RP2050100
SKU: RP2050100
Laars
SKU: RP2050100
Brand: Laars
$154.28 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Gas Supply Pipe, RP2051500
Gas Supply Pipe, RP2051500
SKU: RP2051500
Laars
SKU: RP2051500
Brand: Laars
$185.53 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Safety Valve, V2000500
Safety Valve, V2000500
SKU: V2000500
Laars
SKU: V2000500
Brand: Laars
$1,103.39 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1-1/2" Two Stage LP Gas , V2000900
1-1/2" Two Stage LP Gas , V2000900
SKU: V2000900
Laars
SKU: V2000900
Brand: Laars
$1,034.20 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Manual Valve, V2013900
Manual Valve, V2013900
SKU: V2013900
Laars
SKU: V2013900
Brand: Laars
$638.41 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Gas Valve Replacement, V2018500
Gas Valve Replacement, V2018500
SKU: V2018500
Laars
SKU: V2018500
Brand: Laars
$186.81 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Valve, Gas, Dungs, V2021200
Valve, Gas, Dungs, V2021200
SKU: V2021200
Laars
SKU: V2021200
Brand: Laars
$3,782.20 each
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of Flange, Gas Valve, V2021900
Flange, Gas Valve, V2021900
SKU: V2021900
Laars
SKU: V2021900
Brand: Laars
$113.15 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Flange, Adjustable Shutter, V2023200
Flange, Adjustable Shutter, V2023200
SKU: V2023200
Laars
SKU: V2023200
Brand: Laars
$379.32 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Liquid Propane Pilot Burner (Standing Pilot), W0034400
$166.57 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Elbow 90 Deg 2NPT BLK, P0008700
Elbow 90 Deg 2NPT BLK, P0008700
SKU: P0008700
Laars
SKU: P0008700
Brand: Laars
$40.54 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Nipple, 1-1/2" X Close, P0019100
Nipple, 1-1/2" X Close, P0019100
SKU: P0019100
Laars
SKU: P0019100
Brand: Laars
$14.49 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, 1/2" NPT, P0026900
Plug, 1/2" NPT, P0026900
SKU: P0026900
Laars
SKU: P0026900
Brand: Laars
$13.50 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, 3/4, Square. Head., P0027000
Plug, 3/4, Square. Head., P0027000
SKU: P0027000
Laars
SKU: P0027000
Brand: Laars
$15.10 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Tee, 1/8", P0027100
Tee, 1/8", P0027100
SKU: P0027100
Laars
SKU: P0027100
Brand: Laars
$11.60 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, Square. Head., 1 “ NPT, P0033000
Plug, Square. Head., 1 “ NPT, P0033000
SKU: P0033000
Laars
SKU: P0033000
Brand: Laars
$30.32 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, 3/4” Steel, P0071500
Plug, 3/4” Steel, P0071500
SKU: P0071500
Laars
SKU: P0071500
Brand: Laars
$3.85 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, Head. 1/4” NPT, Square Socket, Black, P2014200
$6.24 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Pipe Plug, Stainless Steel, 1/8 NPT (ntv), P2042300
$19.91 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Flange Companion 2-1/2", P2046400
Flange Companion 2-1/2", P2046400
SKU: P2046400
Laars
SKU: P2046400
Brand: Laars
$172.27 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of Gas Supply Pipe, P2054300
Gas Supply Pipe, P2054300
SKU: P2054300
Laars
SKU: P2054300
Brand: Laars
$47.11 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Auto Air Vent, P2074500
Auto Air Vent, P2074500
SKU: P2074500
Laars
SKU: P2074500
Brand: Laars
$21.88 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Valve, Check, 1/2” X 1/4 Bspp, P2079000
Valve, Check, 1/2” X 1/4 Bspp, P2079000
SKU: P2079000
Laars
SKU: P2079000
Brand: Laars
$21.38 each
In Stock
Get 1 by Fri, Jun 12
In Stock
Get 1 by Fri, Jun 12
Compare
Product Image of Plug, Pipe, 1” NPT, Ci (nth), P2079200
Plug, Pipe, 1” NPT, Ci (nth), P2079200
SKU: P2079200
Laars
SKU: P2079200
Brand: Laars
$6.22 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plug, 1/2”, Stainless Steel (ntv), P2080500
$15.56 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Coupling, Flexible Victaulic, P2086500
Coupling, Flexible Victaulic, P2086500
SKU: P2086500
Laars
SKU: P2086500
Brand: Laars
$265.39 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Adapter, 1/4 Tube Barb To 1/8 NPT Male, P2089300
$29.64 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Nipple, 3/8"x3", P2090500
Nipple, 3/8"x3", P2090500
SKU: P2090500
Laars
SKU: P2090500
Brand: Laars
$7.37 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bushing, Reducing, 3/8x1/8, P2090700
Bushing, Reducing, 3/8x1/8, P2090700
SKU: P2090700
Laars
SKU: P2090700
Brand: Laars
$9.85 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Elbow, 45°, 2", P2090900
Elbow, 45°, 2", P2090900
SKU: P2090900
Laars
SKU: P2090900
Brand: Laars
$41.99 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Nipple, 2"x14", P2091000
Nipple, 2"x14", P2091000
SKU: P2091000
Laars
SKU: P2091000
Brand: Laars
$104.66 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Nipple, 2"NPTx4", P2095800
Nipple, 2"NPTx4", P2095800
SKU: P2095800
Laars
SKU: P2095800
Brand: Laars
$23.85 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Adapter 1/4" NPT x 1/4" BSPP, P2142900
Adapter 1/4" NPT x 1/4" BSPP, P2142900
SKU: P2142900
Laars
SKU: P2142900
Brand: Laars
$16.48 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Washer 7/16 OD x 3/16 ID, P2143000
Washer 7/16 OD x 3/16 ID, P2143000
SKU: P2143000
Laars
SKU: P2143000
Brand: Laars
$0.41 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Resources
FAQs, Manuals & Videos
Articles
More About Laars
Founded in 1948, LAARS designs and manufactures high efficiency residential and commercial hydronic boilers, volume water heaters and commercial pool heaters at their Rochester NH, USA headquarters.