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Aprilaire Humidifier Breakdown
Model: 550A
Parts Listed by Category for Model: 550A
Ref No. Description Qty Req. Part No. Price 1 Hard wick filter more info aprA10-RPS $8.53 2 Scale control insrt more info apr4217 $18.19 3 Distributor tray for more info APR4218 $16.66 4 Base 550 more info APR4219 $75.21 5 End panel model 550 more info APR4220 $57.12 6 Duct panel model 550 more info APR4221 $52.99 7 Cover model 550 more info apr4222 $69.66 8 Spud model 550/560 more info apr4223 $4.47 9 Water solenoid valve--this valve an exact aprilaire valve. 24 volt more info apr4040 $79.99 10 Strainer for water valve more info apr4004 $4.52 11 Saddle valve more info APR4001 $19.99 12 Orifice - yellow more info APR4231 $3.94 13 Feed tube w/comp sleeve more info apr4226 $12.17 14 Transformer more info apr4010 $26.46 15A Auto trac humidistat more info APR56 $92.58 15B Humidistat more info APR4016 $47.28 16 Nozzle 350/360/550 more info apr4184 $9.33 17 Cover latch spring #550 more info apr4225 $9.33 18 Gasket auto humidity cont more info apr4305 $4.73
Parts not picturedWater valve or solenoid 990-53 990-053 32001876-001 manufactured by skuttle more info A01-0814-148 $56.12 Saddle valve adaptor more info apr4229 $51.54 Humidistat adaptor plate more info apr4039 $9.33 10k duct sensor rpc#692 more info apr8052 $11.53 Shock arrestor more info apr4280 $109.57 Humidifier complete unit more info 550A $152.68 Model 51 electronic relay more info APR51 $53.14 Current sensing relay more info apr50 $36.00 Ionizer frame assembly more info APR4598 $173.45 Wicking style filter. these filters are designed to maximize the output of your humidifier. up to %50 higher output. micro free anti-microbial treated surface. needs to be replaced twice a season. more info a10wr-rps $13.99
