SHIRE / Heating control valves
Heater control valve or damper motor? Define the sourcing scope first
Separate the SAP-S300 valve record from SAP-S305 and SAP-V310 damper-motor records before requesting bulk prices.
“Heater part” is too broad for a supplier to confirm a precise item. The supplied heating catalog includes a heater control valve and heater damper motors as different records. SAP-S300, SAP-S305 and SAP-V310 therefore illustrate a scope decision, not three substitutes. Their empty remarks also leave technical details unstated. A purchasing team should describe the requested component and obtain missing information before treating a photo as a specification.
Use the actual component reference
Start with a full OE or a readable label from the requested component. Keep the name and original reference together; distinguish the catalog’s valve and motor descriptions. Do not infer the failed component from a customer’s cabin-temperature complaint. Diagnostics belong to qualified personnel. The candidate product link should support a question to the supplier, not replace identification of the part that is actually requested.
Ask component-specific questions
For a valve request, identify the reliable drawing or measurements needed to check its connections and mounting. For a motor request, ask for the documented connector, mounting and output-interface information relevant to the exact proposed item. Do not guess hose sizes, operating voltage, movement limits or terminal assignments from a photograph. A blank remark means “not provided here”, not “universal” or “no restrictions”.
Clarify what is supplied with the item
Ask whether the quotation covers only the named unit or includes any separately agreed fittings or accessories. Treat related components as separate order lines unless the supplier explicitly confirms an assembly scope. Multiple references or brands in SAP-V310’s record do not create an approved substitution list. Compatibility and included parts must be confirmed against the actual requirement, especially before combining a motor and valve request.
Retain missing specifications as open questions
Send item/OE, component description, quantity, destination and any reliable photos or drawing references. Ask the reply to state proposed scope and outstanding specifications. Discuss sample availability where needed, then record the reviewed identity. Before approval compare the quoted parts to the requested list and agreed packing. Do not add an invented pressure rating, temperature range or certification to make an RFQ look complete.
Purchasing guidance, not installation or diagnostic instructions. Confirm compatibility and specifications with the supplier and a qualified technician.
Catalog examples — not confirmed substitutes
SAP-S300
Heater control valve
OE references: 1793197 / 1741027
Catalog specifications ↗
SAP-S305
Heater damper motor
OE references: 1422615
Catalog specifications ↗
SAP-V310
Heater damper motor
OE references: 20443812 / 81286016142 / 5001864711 / 5001829130 / 0005402588
Catalog specifications ↗Compare the actual catalog records
These are current catalog examples, not an approved substitution list. OE references and remarks below are reproduced from the supplied records; they do not establish compatibility, stock or electrical performance.
Editorial note: this purchasing guide was prepared with AI assistance using the supplied catalog and document-coordination scenarios. It is not a product test, technical approval or a promise of SHIRE order terms.
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