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Allstars Inspection 宏厦驗屋 |
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Common Water Supply Problems | |
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Most galvanized steel supply pipe is usually near end of life |
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Damaged, leaking or missing of shutoff valve |
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There should be dielectric union connecting dissimilar metal |
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Polybutylene pipe is prone to leak and need to be replaced |
Common Water Heater and Cloth Washer Problems | |
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Differences of Electric and Gas Water Heater |
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Scorching near heat roll out shield due to poor drafting |
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Damaged exhaust flue |
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Water heater in garage must be at least 18” above floor level |
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Cloth Washer Installation)
There should be indirect connection for washer and standpipe, a trap and vented stack. |
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Condensation Line Installation
Condensation line cannot connect to plumbing stack, soil or outlet to wall |
Common Drain, Waste Line and Vent Problems | |
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90 degree turn elbow
90 degree turn elbow is prone to clogged and recommend to be replaced by two 45 degree elbows. |
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Building trap
Check if clean-out and fresh air inlet are missing for building trap |
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Downspout connection
Downspout is not allowed to connect to house sewer anymore |
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Illegal traps
S trap, Drum Trap and bell trap or double trapping under double sinks are not allowed. |
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Vent clearance above roof
Plumbing vent too high above roof may get frozen in winter |
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Shower Stall leaks
Leaks around base of mortar bed ceramic tile could cause major structural damage of the floor structure. |
