Series 290

Tankless water heater service valve kit

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Product Description

Tankless water heater service valve kit
Complete with:
Union connections - connect directly to ¾" water heater MNPT nipples
Isolation valves - allow for flushing and servicing the water heater

Pressure relief valve (KIT versions only)

Technical data

Material: DZR low lead brass

Medium temperature range: 32 – 210 °F

Maximum operating pressure: 400 psi

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Drawings and specifications

Part number	Connection	Note
KIT290503A	3/4" NPT female	-
3D models Tender text CALEFFI, KIT290503A. Tankless water heater service valve kit Complete with: Union connections - connect directly to ¾" water heater MNPT nipples Isolation valves - allow for flushing and servicing the water heater Pressure relief valve (KIT versions only) connection: 3/4" NPT female. Maximum operating pressure: 400 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
KIT290504A	3/4" NPT female	Equal lay length
3D models Tender text CALEFFI, KIT290504A. Tankless water heater service valve kit Complete with: Union connections - connect directly to ¾" water heater MNPT nipples Isolation valves - allow for flushing and servicing the water heater Pressure relief valve (KIT versions only) connection: 3/4" NPT female. Maximum operating pressure: 400 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
290503A	3/4" NPT female	-
3D models bim Tender text CALEFFI, 290503A. Tankless water heater service valve kit Complete with: Union connections - connect directly to ¾" water heater MNPT nipples Isolation valves - allow for flushing and servicing the water heater Pressure relief valve (KIT versions only) connection: 3/4" NPT female. Maximum operating pressure: 400 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
290504A	3/4" NPT female	Equal lay length
3D models Tender text CALEFFI, 290504A. Tankless water heater service valve kit Complete with: Union connections - connect directly to ¾" water heater MNPT nipples Isolation valves - allow for flushing and servicing the water heater Pressure relief valve (KIT versions only) connection: 3/4" NPT female. Maximum operating pressure: 400 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.